102120556160 has 64 divisors (see below), whose sum is σ = 279007960320. Its totient is φ = 35012760576.

The previous prime is 102120556127. The next prime is 102120556169. The reversal of 102120556160 is 61655021201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (102120556169) 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, 11392904 + ... + 11401863.

It is an arithmetic number, because the mean of its divisors is an integer number (4359499380).

Almost surely, 2^102120556160 is an apocalyptic number.

102120556160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120556160 is an abundant number, since it is smaller than the sum of its proper divisors (176887404160).

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

102120556160 is an equidigital number, since it uses as much as digits as its factorization.

102120556160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794793 (or 22794781 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 102120556160 its reverse (61655021201), we get a palindrome (163775577361).

The spelling of 102120556160 in words is "one hundred two billion, one hundred twenty million, five hundred fifty-six thousand, one hundred sixty".