1605610561032 has 64 divisors (see below), whose sum is σ = 4460859576000. Its totient is φ = 535103891712.

The previous prime is 1605610561031. The next prime is 1605610561033. The reversal of 1605610561032 is 2301650165061.

1605610561032 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 6 + 1 + 0 + 5 + 610 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (1605610561031) and next prime (1605610561033).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1605610561031) 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, 475719 + ... + 1854057.

It is an arithmetic number, because the mean of its divisors is an integer number (69700930875).

Almost surely, 2^{1605610561032} is an apocalyptic number.

1605610561032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1605610561032 is an abundant number, since it is smaller than the sum of its proper divisors (2855249014968).

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

1605610561032 is a wasteful number, since it uses less digits than its factorization.

1605610561032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383747 (or 1383737 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1605610561032 in words is "one trillion, six hundred five billion, six hundred ten million, five hundred sixty-one thousand, thirty-two".