1631700169325 has 6 divisors (see below), whose sum is σ = 2023308209994. Its totient is φ = 1305360135440.

The previous prime is 1631700169303. The next prime is 1631700169343. The reversal of 1631700169325 is 5239610071361.

It can be written as a sum of positive squares in 3 ways, for example, as 145205199364 + 1486494969961 = 381058^2 + 1219219^2 .

It is not a de Polignac number, because 1631700169325 - 2¹⁴ = 1631700152941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32634003362 + ... + 32634003411.

It is an arithmetic number, because the mean of its divisors is an integer number (337218034999).

Almost surely, 2^{1631700169325} is an apocalyptic number.

It is an amenable number.

1631700169325 is a deficient number, since it is larger than the sum of its proper divisors (391608040669).

1631700169325 is an equidigital number, since it uses as much as digits as its factorization.

1631700169325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65268006783 (or 65268006778 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 1631700169325 in words is "one trillion, six hundred thirty-one billion, seven hundred million, one hundred sixty-nine thousand, three hundred twenty-five".