153961917057 has 24 divisors (see below), whose sum is σ = 245066005184. Its totient is φ = 92542401504.

The previous prime is 153961917037. The next prime is 153961917073. The reversal of 153961917057 is 750719169351.

153961917057 is a `hidden beast` number, since 1 + 5 + 3 + 9 + 619 + 17 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 153961917057 - 2¹⁶ = 153961851521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153961916994 and 153961917012.

It is not an unprimeable number, because it can be changed into a prime (153961917017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15296293 + ... + 15306354.

Almost surely, 2^153961917057 is an apocalyptic number.

It is an amenable number.

153961917057 is a deficient number, since it is larger than the sum of its proper divisors (91104088127).

153961917057 is a wasteful number, since it uses less digits than its factorization.

153961917057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30602709 (or 30602706 counting only the distinct ones).

The product of its (nonzero) digits is 1786050, while the sum is 54.

The spelling of 153961917057 in words is "one hundred fifty-three billion, nine hundred sixty-one million, nine hundred seventeen thousand, fifty-seven".