1612303056 has 560 divisors, whose sum is σ = 6071833600. Its totient is φ = 411505920.

The previous prime is 1612303051. The next prime is 1612303079. The reversal of 1612303056 is 6503032161.

It is a super-2 number, since 2×1612303056² = 5199042288773878272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612303051) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 52009761 + ... + 52009791.

It is an arithmetic number, because the mean of its divisors is an integer number (10842560).

Almost surely, 2^1612303056 is an apocalyptic number.

1612303056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612303056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035916800).

1612303056 is an abundant number, since it is smaller than the sum of its proper divisors (4459530544).

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

1612303056 is an equidigital number, since it uses as much as digits as its factorization.

1612303056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1612303056 is about 40153.4936960659. The cubic root of 1612303056 is about 1172.5973068421.

The spelling of 1612303056 in words is "one billion, six hundred twelve million, three hundred three thousand, fifty-six".