51660166101610 has 32 divisors (see below), whose sum is σ = 102240534915072. Its totient is φ = 18637597500480.

The previous prime is 51660166101553. The next prime is 51660166101617. The reversal of 51660166101610 is 1610166106615.

It is not an unprimeable number, because it can be changed into a prime (51660166101617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848954037 + ... + 1848981976.

It is an arithmetic number, because the mean of its divisors is an integer number (3195016716096).

Almost surely, 2^{51660166101610} is an apocalyptic number.

51660166101610 is a deficient number, since it is larger than the sum of its proper divisors (50580368813462).

51660166101610 is a wasteful number, since it uses less digits than its factorization.

51660166101610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697936158.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 51660166101610 in words is "fifty-one trillion, six hundred sixty billion, one hundred sixty-six million, one hundred one thousand, six hundred ten".