1616344500 has 48 divisors (see below), whose sum is σ = 4706799552. Its totient is φ = 431024800.

The previous prime is 1616344469. The next prime is 1616344507. The reversal of 1616344500 is 54436161.

It is a super-2 number, since 2×1616344500² = 5225139085360500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616344507) 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, 537282 + ... + 540281.

It is an arithmetic number, because the mean of its divisors is an integer number (98058324).

Almost surely, 2^1616344500 is an apocalyptic number.

1616344500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616344500 is an abundant number, since it is smaller than the sum of its proper divisors (3090455052).

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

1616344500 is a wasteful number, since it uses less digits than its factorization.

1616344500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077585 (or 1077573 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1616344500 is about 40203.7871350449. The cubic root of 1616344500 is about 1173.5762444375.

The spelling of 1616344500 in words is "one billion, six hundred sixteen million, three hundred forty-four thousand, five hundred".