10606365621 has 12 divisors (see below), whose sum is σ = 15471993420. Its totient is φ = 7000900800.

The previous prime is 10606365587. The next prime is 10606365629. The reversal of 10606365621 is 12656360601.

10606365621 is a `hidden beast` number, since 1 + 0 + 60 + 6 + 36 + 562 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10397880900 + 208484721 = 101970^2 + 14439^2 .

It is not a de Polignac number, because 10606365621 - 2⁷ = 10606365493 is a prime.

It is a super-2 number, since 2×10606365621² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10606365629) 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, 5833176 + ... + 5834993.

It is an arithmetic number, because the mean of its divisors is an integer number (1289332785).

Almost surely, 2^10606365621 is an apocalyptic number.

It is an amenable number.

10606365621 is a deficient number, since it is larger than the sum of its proper divisors (4865627799).

10606365621 is a wasteful number, since it uses less digits than its factorization.

10606365621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668276 (or 11668273 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 10606365621 in words is "ten billion, six hundred six million, three hundred sixty-five thousand, six hundred twenty-one".