106215563904 has 32 divisors (see below), whose sum is σ = 282135092640. Its totient is φ = 35405187840.

The previous prime is 106215563893. The next prime is 106215563917. The reversal of 106215563904 is 409365512601.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×106215563904² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138301132 + ... + 138301899.

It is an arithmetic number, because the mean of its divisors is an integer number (8816721645).

Almost surely, 2^106215563904 is an apocalyptic number.

It is an amenable number.

106215563904 is an abundant number, since it is smaller than the sum of its proper divisors (175919528736).

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

106215563904 is an equidigital number, since it uses as much as digits as its factorization.

106215563904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276603048 (or 276603036 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 106215563904 in words is "one hundred six billion, two hundred fifteen million, five hundred sixty-three thousand, nine hundred four".