618977072022 has 16 divisors (see below), whose sum is σ = 1238373398640. Its totient is φ = 206255814912.

The previous prime is 618977071991. The next prime is 618977072081. The reversal of 618977072022 is 220270779816.

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, 17449747 + ... + 17485182.

It is an arithmetic number, because the mean of its divisors is an integer number (77398337415).

Almost surely, 2^618977072022 is an apocalyptic number.

618977072022 is an abundant number, since it is smaller than the sum of its proper divisors (619396326618).

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

618977072022 is a wasteful number, since it uses less digits than its factorization.

618977072022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34937887.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 618977072022 in words is "six hundred eighteen billion, nine hundred seventy-seven million, seventy-two thousand, twenty-two".