102165164442 has 72 divisors (see below), whose sum is σ = 256116631680. Its totient is φ = 29329700400.

The previous prime is 102165164419. The next prime is 102165164501. The reversal of 102165164442 is 244461561201.

102165164442 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 6 + 5 + 1 + 644 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 102165164397 and 102165164406.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1193034 + ... + 1275797.

It is an arithmetic number, because the mean of its divisors is an integer number (3557175440).

Almost surely, 2^102165164442 is an apocalyptic number.

102165164442 is an abundant number, since it is smaller than the sum of its proper divisors (153951467238).

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

102165164442 is a wasteful number, since it uses less digits than its factorization.

102165164442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468880 (or 2468866 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 102165164442 in words is "one hundred two billion, one hundred sixty-five million, one hundred sixty-four thousand, four hundred forty-two".