1604853462672 has 50 divisors (see below), whose sum is σ = 4644911530358. Its totient is φ = 534951153792.

The previous prime is 1604853462649. The next prime is 1604853462691. The reversal of 1604853462672 is 2762643584061.

1604853462672 is a `hidden beast` number, since 1 + 6 + 0 + 4 + 8 + 5 + 3 + 4 + 626 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1601783859456 + 3069603216 = 1265616^2 + 55404^2 .

It is a super-3 number, since 3×1604853462672³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 619155133 + ... + 619157724.

Almost surely, 2^{1604853462672} is an apocalyptic number.

1604853462672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604853462672 is an abundant number, since it is smaller than the sum of its proper divisors (3040058067686).

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

1604853462672 is a wasteful number, since it uses less digits than its factorization.

1604853462672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238312877 (or 1238312862 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 1604853462672 in words is "one trillion, six hundred four billion, eight hundred fifty-three million, four hundred sixty-two thousand, six hundred seventy-two".