102064656554 has 32 divisors (see below), whose sum is σ = 179189252352. Its totient is φ = 42698880000.

The previous prime is 102064656553. The next prime is 102064656571. The reversal of 102064656554 is 455656460201.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102064656553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407927 + ... + 608714.

It is an arithmetic number, because the mean of its divisors is an integer number (5599664136).

Almost surely, 2^102064656554 is an apocalyptic number.

102064656554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102064656554 is a deficient number, since it is larger than the sum of its proper divisors (77124595798).

102064656554 is a wasteful number, since it uses less digits than its factorization.

102064656554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016822.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 102064656554 in words is "one hundred two billion, sixty-four million, six hundred fifty-six thousand, five hundred fifty-four".