101868498638 has 16 divisors (see below), whose sum is σ = 154256190000. Its totient is φ = 50450081472.

The previous prime is 101868498619. The next prime is 101868498643. The reversal of 101868498638 is 836894868101.

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, 588053 + ... + 741311.

It is an arithmetic number, because the mean of its divisors is an integer number (9641011875).

Almost surely, 2^101868498638 is an apocalyptic number.

101868498638 is a deficient number, since it is larger than the sum of its proper divisors (52387691362).

101868498638 is a wasteful number, since it uses less digits than its factorization.

101868498638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156419.

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 101868498638 in words is "one hundred one billion, eight hundred sixty-eight million, four hundred ninety-eight thousand, six hundred thirty-eight".