10661770 has 16 divisors (see below), whose sum is σ = 21932928. Its totient is φ = 3655440.

The previous prime is 10661747. The next prime is 10661773. The reversal of 10661770 is 7716601.

10661770 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 2×10661770² = 227346679065800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76086 + ... + 76225.

It is an arithmetic number, because the mean of its divisors is an integer number (1370808).

Almost surely, 2^10661770 is an apocalyptic number.

10661770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661770 is an abundant number, since it is smaller than the sum of its proper divisors (11271158).

10661770 is a wasteful number, since it uses less digits than its factorization.

10661770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152325.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 10661770 is about 3265.2365917342. The cubic root of 10661770 is about 220.0947938600.

The spelling of 10661770 in words is "ten million, six hundred sixty-one thousand, seven hundred seventy".