102315662646 has 16 divisors (see below), whose sum is σ = 206442223344. Its totient is φ = 33803404544.

The previous prime is 102315662629. The next prime is 102315662677. The reversal of 102315662646 is 646266513201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102315662598 and 102315662607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75453351 + ... + 75454706.

It is an arithmetic number, because the mean of its divisors is an integer number (12902638959).

Almost surely, 2^102315662646 is an apocalyptic number.

102315662646 is an abundant number, since it is smaller than the sum of its proper divisors (104126560698).

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

102315662646 is a wasteful number, since it uses less digits than its factorization.

102315662646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150908175.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 102315662646 in words is "one hundred two billion, three hundred fifteen million, six hundred sixty-two thousand, six hundred forty-six".