1655715156 has 12 divisors (see below), whose sum is σ = 3863335392. Its totient is φ = 551905048.

The previous prime is 1655715133. The next prime is 1655715161. The reversal of 1655715156 is 6515175561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68988120 + ... + 68988143.

It is an arithmetic number, because the mean of its divisors is an integer number (321944616).

Almost surely, 2^1655715156 is an apocalyptic number.

It is an amenable number.

1655715156 is an abundant number, since it is smaller than the sum of its proper divisors (2207620236).

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

1655715156 is a wasteful number, since it uses less digits than its factorization.

1655715156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137976270 (or 137976268 counting only the distinct ones).

The product of its digits is 157500, while the sum is 42.

The square root of 1655715156 is about 40690.4799185264. The cubic root of 1655715156 is about 1183.0285023359.

It can be divided in two parts, 16557 and 15156, that added together give a palindrome (31713).

The spelling of 1655715156 in words is "one billion, six hundred fifty-five million, seven hundred fifteen thousand, one hundred fifty-six".