1656550156 has 12 divisors (see below), whose sum is σ = 2960643168. Its totient is φ = 810652112.

The previous prime is 1656550141. The next prime is 1656550157. The reversal of 1656550156 is 6510556561.

It is not an unprimeable number, because it can be changed into a prime (1656550157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405531 + ... + 4405906.

It is an arithmetic number, because the mean of its divisors is an integer number (246720264).

Almost surely, 2^1656550156 is an apocalyptic number.

It is an amenable number.

1656550156 is a deficient number, since it is larger than the sum of its proper divisors (1304093012).

1656550156 is a wasteful number, since it uses less digits than its factorization.

1656550156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811488 (or 8811486 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 1656550156 is about 40700.7390104897. The cubic root of 1656550156 is about 1183.2273414466.

The spelling of 1656550156 in words is "one billion, six hundred fifty-six million, five hundred fifty thousand, one hundred fifty-six".