6501616615151 has 16 divisors (see below), whose sum is σ = 7457735660544. Its totient is φ = 5552363300064.

The previous prime is 6501616615133. The next prime is 6501616615177. The reversal of 6501616615151 is 1515166161056.

It is not a de Polignac number, because 6501616615151 - 2¹⁸ = 6501616353007 is a prime.

It is a super-2 number, since 2×6501616615151² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501616611151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611786 + ... + 3657528.

It is an arithmetic number, because the mean of its divisors is an integer number (466108478784).

Almost surely, 2^{6501616615151} is an apocalyptic number.

6501616615151 is a deficient number, since it is larger than the sum of its proper divisors (956119045393).

6501616615151 is a wasteful number, since it uses less digits than its factorization.

6501616615151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046870.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 6501616615151 in words is "six trillion, five hundred one billion, six hundred sixteen million, six hundred fifteen thousand, one hundred fifty-one".