16154897157 has 12 divisors (see below), whose sum is σ = 26668401760. Its totient is φ = 9231369768.

The previous prime is 16154897147. The next prime is 16154897179. The reversal of 16154897157 is 75179845161.

16154897157 is a `hidden beast` number, since 1 + 6 + 1 + 5 + 489 + 7 + 157 = 666.

It is not a de Polignac number, because 16154897157 - 2⁷ = 16154897029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16154897147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128213407 + ... + 128213532.

Almost surely, 2^16154897157 is an apocalyptic number.

It is an amenable number.

16154897157 is a deficient number, since it is larger than the sum of its proper divisors (10513504603).

16154897157 is a wasteful number, since it uses less digits than its factorization.

16154897157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256426952 (or 256426949 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The spelling of 16154897157 in words is "sixteen billion, one hundred fifty-four million, eight hundred ninety-seven thousand, one hundred fifty-seven".