616021311007 has 16 divisors (see below), whose sum is σ = 621339919200. Its totient is φ = 610727338368.

The previous prime is 616021310987. The next prime is 616021311023. The reversal of 616021311007 is 700113120616.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616021311007 is a prime.

It is a super-2 number, since 2×616021311007² (a number of 24 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 (616021311067) 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, 184050108 + ... + 184053454.

It is an arithmetic number, because the mean of its divisors is an integer number (38833744950).

Almost surely, 2^616021311007 is an apocalyptic number.

616021311007 is a deficient number, since it is larger than the sum of its proper divisors (5318608193).

616021311007 is a wasteful number, since it uses less digits than its factorization.

616021311007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 616021311007 in words is "six hundred sixteen billion, twenty-one million, three hundred eleven thousand, seven".