201604245615 has 48 divisors (see below), whose sum is σ = 362184794400. Its totient is φ = 103656381696.

The previous prime is 201604245589. The next prime is 201604245629. The reversal of 201604245615 is 516542406102.

201604245615 is a `hidden beast` number, since 2 + 0 + 1 + 604 + 2 + 45 + 6 + 1 + 5 = 666.

It is not a de Polignac number, because 201604245615 - 2⁷ = 201604245487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201604245615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373945 + ... + 736914.

It is an arithmetic number, because the mean of its divisors is an integer number (7545516550).

Almost surely, 2^201604245615 is an apocalyptic number.

201604245615 is a deficient number, since it is larger than the sum of its proper divisors (160580548785).

201604245615 is a wasteful number, since it uses less digits than its factorization.

201604245615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111016 (or 1111013 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 201604245615 in words is "two hundred one billion, six hundred four million, two hundred forty-five thousand, six hundred fifteen".