161562453627 has 8 divisors (see below), whose sum is σ = 226754320960. Its totient is φ = 102039444360.

The previous prime is 161562453623. The next prime is 161562453649. The reversal of 161562453627 is 726354265161.

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

It is not a de Polignac number, because 161562453627 - 2² = 161562453623 is a prime.

It is a super-2 number, since 2×161562453627² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161562453623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417214449 + ... + 1417214562.

It is an arithmetic number, because the mean of its divisors is an integer number (28344290120).

Almost surely, 2^161562453627 is an apocalyptic number.

161562453627 is a deficient number, since it is larger than the sum of its proper divisors (65191867333).

161562453627 is a wasteful number, since it uses less digits than its factorization.

161562453627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834429033.

The product of its digits is 1814400, while the sum is 48.

The spelling of 161562453627 in words is "one hundred sixty-one billion, five hundred sixty-two million, four hundred fifty-three thousand, six hundred twenty-seven".