161047562506 has 8 divisors (see below), whose sum is σ = 241573046400. Its totient is φ = 80523213708.

The previous prime is 161047562483. The next prime is 161047562513. The reversal of 161047562506 is 605265740161.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 421095 + ... + 706693.

It is an arithmetic number, because the mean of its divisors is an integer number (30196630800).

Almost surely, 2^161047562506 is an apocalyptic number.

161047562506 is a deficient number, since it is larger than the sum of its proper divisors (80525483894).

161047562506 is a wasteful number, since it uses less digits than its factorization.

161047562506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567548.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 161047562506 in words is "one hundred sixty-one billion, forty-seven million, five hundred sixty-two thousand, five hundred six".