102478746516 has 12 divisors (see below), whose sum is σ = 239117075232. Its totient is φ = 34159582168.

The previous prime is 102478746499. The next prime is 102478746521. The reversal of 102478746516 is 615647874201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269947760 + ... + 4269947783.

It is an arithmetic number, because the mean of its divisors is an integer number (19926422936).

Almost surely, 2^102478746516 is an apocalyptic number.

It is an amenable number.

102478746516 is an abundant number, since it is smaller than the sum of its proper divisors (136638328716).

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

102478746516 is a wasteful number, since it uses less digits than its factorization.

102478746516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539895550 (or 8539895548 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 102478746516 in words is "one hundred two billion, four hundred seventy-eight million, seven hundred forty-six thousand, five hundred sixteen".