10038561665 has 8 divisors (see below), whose sum is σ = 13141389888. Its totient is φ = 7300772080.

The previous prime is 10038561629. The next prime is 10038561683. The reversal of 10038561665 is 56616583001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10038561665 - 2⁶ = 10038561601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91259597 + ... + 91259706.

It is an arithmetic number, because the mean of its divisors is an integer number (1642673736).

Almost surely, 2^10038561665 is an apocalyptic number.

It is an amenable number.

10038561665 is a deficient number, since it is larger than the sum of its proper divisors (3102828223).

10038561665 is a wasteful number, since it uses less digits than its factorization.

10038561665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182519319.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 10038561665 in words is "ten billion, thirty-eight million, five hundred sixty-one thousand, six hundred sixty-five".