161606101500502 has 8 divisors (see below), whose sum is σ = 242424172384200. Its totient is φ = 80798044039104.

The previous prime is 161606101500497. The next prime is 161606101500551. The reversal of 161606101500502 is 205005101606161.

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

It is a super-2 number, since 2×161606101500502² (a number of 29 digits) contains 22 as substring.

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, 2503315227 + ... + 2503379782.

It is an arithmetic number, because the mean of its divisors is an integer number (30303021548025).

Almost surely, 2^{161606101500502} is an apocalyptic number.

161606101500502 is a deficient number, since it is larger than the sum of its proper divisors (80818070883698).

161606101500502 is a wasteful number, since it uses less digits than its factorization.

161606101500502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006711150.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 161606101500502 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred one million, five hundred thousand, five hundred two".