1656356156 has 36 divisors (see below), whose sum is σ = 3587148432. Its totient is φ = 655259904.

The previous prime is 1656356153. The next prime is 1656356161. The reversal of 1656356156 is 6516536561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656356153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170285 + ... + 179748.

It is an arithmetic number, because the mean of its divisors is an integer number (99643012).

Almost surely, 2^1656356156 is an apocalyptic number.

It is an amenable number.

1656356156 is an abundant number, since it is smaller than the sum of its proper divisors (1930792276).

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

1656356156 is a wasteful number, since it uses less digits than its factorization.

1656356156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350070 (or 350055 counting only the distinct ones).

The product of its digits is 486000, while the sum is 44.

The square root of 1656356156 is about 40698.3556916001. The cubic root of 1656356156 is about 1183.1811500561.

The spelling of 1656356156 in words is "one billion, six hundred fifty-six million, three hundred fifty-six thousand, one hundred fifty-six".