161417626 has 8 divisors (see below), whose sum is σ = 242190324. Its totient is φ = 80687520.

The previous prime is 161417617. The next prime is 161417671. The reversal of 161417626 is 626714161.

161417626 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157477401 + 3940225 = 12549^2 + 1985^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 161417591 and 161417600.

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, 1686 + ... + 18046.

Almost surely, 2^161417626 is an apocalyptic number.

161417626 is a deficient number, since it is larger than the sum of its proper divisors (80772698).

161417626 is a wasteful number, since it uses less digits than its factorization.

161417626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296.

The product of its digits is 12096, while the sum is 34.

The square root of 161417626 is about 12705.0236520835. The cubic root of 161417626 is about 544.4821566022.

The spelling of 161417626 in words is "one hundred sixty-one million, four hundred seventeen thousand, six hundred twenty-six".