1612545504 has 96 divisors (see below), whose sum is σ = 4466165760. Its totient is φ = 508032000.

The previous prime is 1612545499. The next prime is 1612545509. The reversal of 1612545504 is 4055452161.

It is an interprime number because it is at equal distance from previous prime (1612545499) and next prime (1612545509).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1612545504² = 5200606004941228032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612545509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095489 + ... + 1096959.

It is an arithmetic number, because the mean of its divisors is an integer number (46522560).

Almost surely, 2^1612545504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612545504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233082880).

1612545504 is an abundant number, since it is smaller than the sum of its proper divisors (2853620256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1612545504 is a wasteful number, since it uses less digits than its factorization.

1612545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1612545504 is about 40156.5125975850. The cubic root of 1612545504 is about 1172.6560798340.

Adding to 1612545504 its reverse (4055452161), we get a palindrome (5667997665).

The spelling of 1612545504 in words is "one billion, six hundred twelve million, five hundred forty-five thousand, five hundred four".