10660031406 has 56 divisors (see below), whose sum is σ = 24558975504. Its totient is φ = 3466657440.

The previous prime is 10660031387. The next prime is 10660031539. The reversal of 10660031406 is 60413006601.

10660031406 is a `hidden beast` number, since 10 + 6 + 600 + 3 + 1 + 40 + 6 = 666.

It is a super-2 number, since 2×10660031406² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 10660031406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29386 + ... + 148941.

It is an arithmetic number, because the mean of its divisors is an integer number (438553134).

Almost surely, 2^10660031406 is an apocalyptic number.

10660031406 is an abundant number, since it is smaller than the sum of its proper divisors (13898944098).

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

10660031406 is an equidigital number, since it uses as much as digits as its factorization.

10660031406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178388 (or 178373 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 10660031406 in words is "ten billion, six hundred sixty million, thirty-one thousand, four hundred six".