1605162665376 has 48 divisors (see below), whose sum is σ = 4681724443200. Its totient is φ = 535054221504.

The previous prime is 1605162665371. The next prime is 1605162665383. The reversal of 1605162665376 is 6735662615061.

1605162665376 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 1 + 6 + 266 + 5 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (1605162665371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928912716 + ... + 928914443.

It is an arithmetic number, because the mean of its divisors is an integer number (97535925900).

Almost surely, 2^{1605162665376} is an apocalyptic number.

1605162665376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1605162665376 is an abundant number, since it is smaller than the sum of its proper divisors (3076561777824).

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

1605162665376 is a wasteful number, since it uses less digits than its factorization.

1605162665376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857827178 (or 1857827164 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 1605162665376 in words is "one trillion, six hundred five billion, one hundred sixty-two million, six hundred sixty-five thousand, three hundred seventy-six".