161229015352 has 16 divisors (see below), whose sum is σ = 302309354160. Its totient is φ = 80613187584.

The previous prime is 161229015341. The next prime is 161229015371. The reversal of 161229015352 is 253510922161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522613 + ... + 771739.

It is an arithmetic number, because the mean of its divisors is an integer number (18894334635).

Almost surely, 2^161229015352 is an apocalyptic number.

It is an amenable number.

161229015352 is a deficient number, since it is larger than the sum of its proper divisors (141080338808).

161229015352 is a wasteful number, since it uses less digits than its factorization.

161229015352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330030 (or 330026 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 161229015352 in words is "one hundred sixty-one billion, two hundred twenty-nine million, fifteen thousand, three hundred fifty-two".