16152610621 has 8 divisors (see below), whose sum is σ = 18510429440. Its totient is φ = 13807367568.

The previous prime is 16152610613. The next prime is 16152610679. The reversal of 16152610621 is 12601625161.

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 16152610621 - 2³ = 16152610613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16152610681) 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, 3141186 + ... + 3146323.

It is an arithmetic number, because the mean of its divisors is an integer number (2313803680).

Almost surely, 2^16152610621 is an apocalyptic number.

It is an amenable number.

16152610621 is a deficient number, since it is larger than the sum of its proper divisors (2357818819).

16152610621 is an equidigital number, since it uses as much as digits as its factorization.

16152610621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287883.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 16152610621 in words is "sixteen billion, one hundred fifty-two million, six hundred ten thousand, six hundred twenty-one".