161829520692 has 24 divisors (see below), whose sum is σ = 431545388736. Its totient is φ = 46237005888.

The previous prime is 161829520681. The next prime is 161829520703. The reversal of 161829520692 is 296025928161.

It is an interprime number because it is at equal distance from previous prime (161829520681) and next prime (161829520703).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963270873 + ... + 963271040.

It is an arithmetic number, because the mean of its divisors is an integer number (17981057864).

Almost surely, 2^161829520692 is an apocalyptic number.

161829520692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161829520692 is an abundant number, since it is smaller than the sum of its proper divisors (269715868044).

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

161829520692 is a wasteful number, since it uses less digits than its factorization.

161829520692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926541927 (or 1926541925 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 161829520692 in words is "one hundred sixty-one billion, eight hundred twenty-nine million, five hundred twenty thousand, six hundred ninety-two".