16952652021 has 8 divisors (see below), whose sum is σ = 23586298560. Its totient is φ = 10810386752.

The previous prime is 16952651999. The next prime is 16952652029. The reversal of 16952652021 is 12025625961.

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 16952652021 - 2²⁵ = 16919097589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16952652029) 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, 122845236 + ... + 122845373.

It is an arithmetic number, because the mean of its divisors is an integer number (2948287320).

Almost surely, 2^16952652021 is an apocalyptic number.

It is an amenable number.

16952652021 is a deficient number, since it is larger than the sum of its proper divisors (6633646539).

16952652021 is a wasteful number, since it uses less digits than its factorization.

16952652021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245690635.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 16952652021 in words is "sixteen billion, nine hundred fifty-two million, six hundred fifty-two thousand, twenty-one".