320117756138467 has 16 divisors (see below), whose sum is σ = 372112467217920. Its totient is φ = 269690515195968.

The previous prime is 320117756138447. The next prime is 320117756138471. The reversal of 320117756138467 is 764831657711023.

It is a cyclic number.

It is not a de Polignac number, because 320117756138467 - 2¹⁵ = 320117756105699 is a prime.

It is a super-2 number, since 2×320117756138467² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320117756138447) 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, 62939658 + ... + 67835359.

It is an arithmetic number, because the mean of its divisors is an integer number (23257029201120).

Almost surely, 2^{320117756138467} is an apocalyptic number.

320117756138467 is a deficient number, since it is larger than the sum of its proper divisors (51994711079453).

320117756138467 is a wasteful number, since it uses less digits than its factorization.

320117756138467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130781010.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 320117756138467 in words is "three hundred twenty trillion, one hundred seventeen billion, seven hundred fifty-six million, one hundred thirty-eight thousand, four hundred sixty-seven".