106915020639 has 32 divisors (see below), whose sum is σ = 163452764160. Its totient is φ = 60894134112.

The previous prime is 106915020607. The next prime is 106915020643. The reversal of 106915020639 is 936020519601.

It is not a de Polignac number, because 106915020639 - 2⁵ = 106915020607 is a prime.

It is a super-2 number, since 2×106915020639² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106915020639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106915020689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8729482 + ... + 8741720.

It is an arithmetic number, because the mean of its divisors is an integer number (5107898880).

Almost surely, 2^106915020639 is an apocalyptic number.

106915020639 is a deficient number, since it is larger than the sum of its proper divisors (56537743521).

106915020639 is a wasteful number, since it uses less digits than its factorization.

106915020639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 106915020639 in words is "one hundred six billion, nine hundred fifteen million, twenty thousand, six hundred thirty-nine".