318500400216601 has 16 divisors (see below), whose sum is σ = 331647562598400. Its totient is φ = 305610317324928.

The previous prime is 318500400216547. The next prime is 318500400216629. The reversal of 318500400216601 is 106612004005813.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 318500400216601 - 2¹³ = 318500400208409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318500400216301) 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, 125005671 + ... + 127528108.

It is an arithmetic number, because the mean of its divisors is an integer number (20727972662400).

Almost surely, 2^{318500400216601} is an apocalyptic number.

It is an amenable number.

318500400216601 is a deficient number, since it is larger than the sum of its proper divisors (13147162381799).

318500400216601 is a wasteful number, since it uses less digits than its factorization.

318500400216601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252534288.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 318500400216601 in words is "three hundred eighteen trillion, five hundred billion, four hundred million, two hundred sixteen thousand, six hundred one".