10661670 has 24 divisors (see below), whose sum is σ = 27720576. Its totient is φ = 2843088.

The previous prime is 10661653. The next prime is 10661671. The reversal of 10661670 is 7616601.

10661670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10661670² = 227342414377800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661671) 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, 59142 + ... + 59321.

It is an arithmetic number, because the mean of its divisors is an integer number (1155024).

Almost surely, 2^10661670 is an apocalyptic number.

10661670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661670 is an abundant number, since it is smaller than the sum of its proper divisors (17058906).

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

10661670 is a wasteful number, since it uses less digits than its factorization.

10661670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118476 (or 118473 counting only the distinct ones).

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

The square root of 10661670 is about 3265.2212788722. The cubic root of 10661670 is about 220.0941057457.

It can be divided in two parts, 106 and 61670, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 10661670 in words is "ten million, six hundred sixty-one thousand, six hundred seventy".