10166561502 has 8 divisors (see below), whose sum is σ = 20333123016. Its totient is φ = 3388853832.

The previous prime is 10166561491. The next prime is 10166561539. The reversal of 10166561502 is 20516566101.

It is a sphenic number, since it is the product of 3 distinct primes.

10166561502 is an admirable number.

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, 847213453 + ... + 847213464.

It is an arithmetic number, because the mean of its divisors is an integer number (2541640377).

Almost surely, 2^10166561502 is an apocalyptic number.

10166561502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10166561502 is a wasteful number, since it uses less digits than its factorization.

10166561502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694426922.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 10166561502 in words is "ten billion, one hundred sixty-six million, five hundred sixty-one thousand, five hundred two".