18958428662 has 32 divisors (see below), whose sum is σ = 30643536384. Its totient is φ = 8764560000.

The previous prime is 18958428617. The next prime is 18958428673. The reversal of 18958428662 is 26682485981.

It is a super-2 number, since 2×18958428662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669287 + ... + 697037.

It is an arithmetic number, because the mean of its divisors is an integer number (957610512).

Almost surely, 2^18958428662 is an apocalyptic number.

18958428662 is a deficient number, since it is larger than the sum of its proper divisors (11685107722).

18958428662 is a wasteful number, since it uses less digits than its factorization.

18958428662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28124.

The product of its digits is 13271040, while the sum is 59.

The spelling of 18958428662 in words is "eighteen billion, nine hundred fifty-eight million, four hundred twenty-eight thousand, six hundred sixty-two".