166616202110722 has 64 divisors (see below), whose sum is σ = 312317120908800. Its totient is φ = 64905401756160.

The previous prime is 166616202110713. The next prime is 166616202110747. The reversal of 166616202110722 is 227011202616661.

It is a super-2 number, since 2×166616202110722² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2484804 + ... + 18422992.

It is an arithmetic number, because the mean of its divisors is an integer number (4879955014200).

Almost surely, 2^{166616202110722} is an apocalyptic number.

166616202110722 is a deficient number, since it is larger than the sum of its proper divisors (145700918798078).

166616202110722 is a wasteful number, since it uses less digits than its factorization.

166616202110722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15939091.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 166616202110722 in words is "one hundred sixty-six trillion, six hundred sixteen billion, two hundred two million, one hundred ten thousand, seven hundred twenty-two".