162669023215428 has 96 divisors (see below), whose sum is σ = 383346446442624. Its totient is φ = 53682880642048.

The previous prime is 162669023215373. The next prime is 162669023215441. The reversal of 162669023215428 is 824512320966261.

162669023215428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162669023215428² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21640148326 + ... + 21640155842.

It is an arithmetic number, because the mean of its divisors is an integer number (3993192150444).

Almost surely, 2^{162669023215428} is an apocalyptic number.

It is an amenable number.

162669023215428 is an abundant number, since it is smaller than the sum of its proper divisors (220677423227196).

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

162669023215428 is a wasteful number, since it uses less digits than its factorization.

162669023215428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15861 (or 15859 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 162669023215428 in words is "one hundred sixty-two trillion, six hundred sixty-nine billion, twenty-three million, two hundred fifteen thousand, four hundred twenty-eight".