153661314642 has 32 divisors (see below), whose sum is σ = 335299426560. Its totient is φ = 46558704720.

The previous prime is 153661314613. The next prime is 153661314643. The reversal of 153661314642 is 246413166351.

It is a happy number.

It is a super-2 number, since 2×153661314642² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153661314594 and 153661314603.

It is not an unprimeable number, because it can be changed into a prime (153661314643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468109 + ... + 725567.

It is an arithmetic number, because the mean of its divisors is an integer number (10478107080).

Almost surely, 2^153661314642 is an apocalyptic number.

153661314642 is an abundant number, since it is smaller than the sum of its proper divisors (181638111918).

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

153661314642 is a wasteful number, since it uses less digits than its factorization.

153661314642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266518.

The product of its digits is 311040, while the sum is 42.

The spelling of 153661314642 in words is "one hundred fifty-three billion, six hundred sixty-one million, three hundred fourteen thousand, six hundred forty-two".