1612151656 has 16 divisors (see below), whose sum is σ = 3026469600. Its totient is φ = 805093104.

The previous prime is 1612151641. The next prime is 1612151669. The reversal of 1612151656 is 6561512161.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115846 + ... + 129013.

It is an arithmetic number, because the mean of its divisors is an integer number (189154350).

Almost surely, 2^1612151656 is an apocalyptic number.

It is an amenable number.

1612151656 is a deficient number, since it is larger than the sum of its proper divisors (1414317944).

1612151656 is a wasteful number, since it uses less digits than its factorization.

1612151656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245688 (or 245684 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 1612151656 is about 40151.6083862154. The cubic root of 1612151656 is about 1172.5606022477.

The spelling of 1612151656 in words is "one billion, six hundred twelve million, one hundred fifty-one thousand, six hundred fifty-six".