18550319280076 has 6 divisors (see below), whose sum is σ = 32463058740140. Its totient is φ = 9275159640036.

The previous prime is 18550319280043. The next prime is 18550319280131. The reversal of 18550319280076 is 67008291305581.

It is a super-2 number, since 2×18550319280076² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18550319279999 and 18550319280026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318789910006 + ... + 2318789910013.

Almost surely, 2^{18550319280076} is an apocalyptic number.

It is an amenable number.

18550319280076 is a deficient number, since it is larger than the sum of its proper divisors (13912739460064).

18550319280076 is a wasteful number, since it uses less digits than its factorization.

18550319280076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637579820023 (or 4637579820021 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 18550319280076 in words is "eighteen trillion, five hundred fifty billion, three hundred nineteen million, two hundred eighty thousand, seventy-six".