1597551266604 has 48 divisors (see below), whose sum is σ = 3742145361920. Its totient is φ = 530442794880.

The previous prime is 1597551266567. The next prime is 1597551266621. The reversal of 1597551266604 is 4066621557951.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16579437 + ... + 16675515.

Almost surely, 2^{1597551266604} is an apocalyptic number.

It is an amenable number.

1597551266604 is an abundant number, since it is smaller than the sum of its proper divisors (2144594095316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1597551266604 is a wasteful number, since it uses less digits than its factorization.

1597551266604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101470 (or 101468 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 1597551266604 in words is "one trillion, five hundred ninety-seven billion, five hundred fifty-one million, two hundred sixty-six thousand, six hundred four".