1606606631700 has 72 divisors (see below), whose sum is σ = 5312512602432. Its totient is φ = 367224372480.

The previous prime is 1606606631647. The next prime is 1606606631759. The reversal of 1606606631700 is 71366066061.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382523289 + ... + 382527488.

It is an arithmetic number, because the mean of its divisors is an integer number (73784897256).

Almost surely, 2^{1606606631700} is an apocalyptic number.

1606606631700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606606631700 is an abundant number, since it is smaller than the sum of its proper divisors (3705905970732).

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

1606606631700 is a wasteful number, since it uses less digits than its factorization.

1606606631700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765050801 (or 765050794 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 1606606631700 in words is "one trillion, six hundred six billion, six hundred six million, six hundred thirty-one thousand, seven hundred".