106431664 has 40 divisors (see below), whose sum is σ = 210424032. Its totient is φ = 52139520.

The previous prime is 106431659. The next prime is 106431683. The reversal of 106431664 is 466134601.

It is a super-2 number, since 2×106431664² = 22655398203617792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 342069 + ... + 342379.

Almost surely, 2^106431664 is an apocalyptic number.

It is an amenable number.

106431664 is a deficient number, since it is larger than the sum of its proper divisors (103992368).

106431664 is a wasteful number, since it uses less digits than its factorization.

106431664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 106431664 is about 10316.5722989761. The cubic root of 106431664 is about 473.9039014237.

The spelling of 106431664 in words is "one hundred six million, four hundred thirty-one thousand, six hundred sixty-four".