161662084472624 has 40 divisors (see below), whose sum is σ = 320911047065952. Its totient is φ = 78846960058880.

The previous prime is 161662084472611. The next prime is 161662084472639. The reversal of 161662084472624 is 426274480266161.

It is a happy number.

161662084472624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161662084472624² (a number of 29 digits) contains 22 as substring.

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, 15565439 + ... + 23782494.

Almost surely, 2^{161662084472624} is an apocalyptic number.

It is an amenable number.

161662084472624 is a deficient number, since it is larger than the sum of its proper divisors (159248962593328).

161662084472624 is a wasteful number, since it uses less digits than its factorization.

161662084472624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39354245 (or 39354239 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 59.

The spelling of 161662084472624 in words is "one hundred sixty-one trillion, six hundred sixty-two billion, eighty-four million, four hundred seventy-two thousand, six hundred twenty-four".