16343620601615 has 32 divisors (see below), whose sum is σ = 20556991088640. Its totient is φ = 12464073287424.

The previous prime is 16343620601611. The next prime is 16343620601657. The reversal of 16343620601615 is 51610602634361.

It is a cyclic number.

It is not a de Polignac number, because 16343620601615 - 2² = 16343620601611 is a prime.

It is a super-2 number, since 2×16343620601615² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343620601611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4430267 + ... + 7232876.

It is an arithmetic number, because the mean of its divisors is an integer number (642405971520).

Almost surely, 2^{16343620601615} is an apocalyptic number.

16343620601615 is a deficient number, since it is larger than the sum of its proper divisors (4213370487025).

16343620601615 is a wasteful number, since it uses less digits than its factorization.

16343620601615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11663351.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 16343620601615 in words is "sixteen trillion, three hundred forty-three billion, six hundred twenty million, six hundred one thousand, six hundred fifteen".