153155660421 has 8 divisors (see below), whose sum is σ = 205430347584. Its totient is φ = 101492373440.

The previous prime is 153155660419. The next prime is 153155660453. The reversal of 153155660421 is 124066551351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 153155660421 - 2¹ = 153155660419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153155660421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153155660461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152849460 + ... + 152850461.

It is an arithmetic number, because the mean of its divisors is an integer number (25678793448).

Almost surely, 2^153155660421 is an apocalyptic number.

It is an amenable number.

153155660421 is a deficient number, since it is larger than the sum of its proper divisors (52274687163).

153155660421 is a wasteful number, since it uses less digits than its factorization.

153155660421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305700091.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 153155660421 in words is "one hundred fifty-three billion, one hundred fifty-five million, six hundred sixty thousand, four hundred twenty-one".