10661607 has 12 divisors (see below), whose sum is σ = 16800264. Its totient is φ = 6461520.

The previous prime is 10661597. The next prime is 10661611. The reversal of 10661607 is 70616601.

It is not a de Polignac number, because 10661607 - 2⁴ = 10661591 is a prime.

It is a super-2 number, since 2×10661607² = 227339727644898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53748 + ... + 53945.

It is an arithmetic number, because the mean of its divisors is an integer number (1400022).

Almost surely, 2^10661607 is an apocalyptic number.

10661607 is a deficient number, since it is larger than the sum of its proper divisors (6138657).

10661607 is a wasteful number, since it uses less digits than its factorization.

10661607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107710 (or 107707 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10661607 is about 3265.2116317323. The cubic root of 10661607 is about 220.0936722315.

The spelling of 10661607 in words is "ten million, six hundred sixty-one thousand, six hundred seven".