118198420958 has 16 divisors (see below), whose sum is σ = 180654936336. Its totient is φ = 57980257920.

The previous prime is 118198420939. The next prime is 118198420969. The reversal of 118198420958 is 859024891811.

It is a Curzon number.

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, 2172953 + ... + 2226683.

It is an arithmetic number, because the mean of its divisors is an integer number (11290933521).

Almost surely, 2^118198420958 is an apocalyptic number.

118198420958 is a deficient number, since it is larger than the sum of its proper divisors (62456515378).

118198420958 is a wasteful number, since it uses less digits than its factorization.

118198420958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74539.

The product of its (nonzero) digits is 1658880, while the sum is 56.

The spelling of 118198420958 in words is "one hundred eighteen billion, one hundred ninety-eight million, four hundred twenty thousand, nine hundred fifty-eight".