161477653606 has 8 divisors (see below), whose sum is σ = 254964716280. Its totient is φ = 76489414848.

The previous prime is 161477653583. The next prime is 161477653613. The reversal of 161477653606 is 606356774161.

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

It is a super-2 number, since 2×161477653606² (a number of 23 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, 2124705931 + ... + 2124706006.

It is an arithmetic number, because the mean of its divisors is an integer number (31870589535).

Almost surely, 2^161477653606 is an apocalyptic number.

161477653606 is a deficient number, since it is larger than the sum of its proper divisors (93487062674).

161477653606 is a wasteful number, since it uses less digits than its factorization.

161477653606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249411958.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 161477653606 in words is "one hundred sixty-one billion, four hundred seventy-seven million, six hundred fifty-three thousand, six hundred six".