21650177460116 has 24 divisors (see below), whose sum is σ = 38022270353760. Its totient is φ = 10786672814112.

The previous prime is 21650177460101. The next prime is 21650177460127. The reversal of 21650177460116 is 61106477105612.

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, 112128890 + ... + 112321806.

It is an arithmetic number, because the mean of its divisors is an integer number (1584261264740).

Almost surely, 2^{21650177460116} is an apocalyptic number.

It is an amenable number.

21650177460116 is a deficient number, since it is larger than the sum of its proper divisors (16372092893644).

21650177460116 is a wasteful number, since it uses less digits than its factorization.

21650177460116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292343 (or 292341 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 21650177460116 in words is "twenty-one trillion, six hundred fifty billion, one hundred seventy-seven million, four hundred sixty thousand, one hundred sixteen".