10001651655 has 8 divisors (see below), whose sum is σ = 16002642672. Its totient is φ = 5334214208.

The previous prime is 10001651603. The next prime is 10001651663. The reversal of 10001651655 is 55615610001.

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

It is a cyclic number.

It is not a de Polignac number, because 10001651655 - 2¹¹ = 10001649607 is a prime.

It is a congruent number.

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, 333388374 + ... + 333388403.

It is an arithmetic number, because the mean of its divisors is an integer number (2000330334).

Almost surely, 2^10001651655 is an apocalyptic number.

10001651655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10001651655 is a deficient number, since it is larger than the sum of its proper divisors (6000991017).

10001651655 is an equidigital number, since it uses as much as digits as its factorization.

10001651655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666776785.

The product of its (nonzero) digits is 4500, while the sum is 30.

It can be divided in two parts, 1000165 and 1655, that added together give a triangular number (1001820 = T₁₄₁₅).

The spelling of 10001651655 in words is "ten billion, one million, six hundred fifty-one thousand, six hundred fifty-five".