161000612453 has 16 divisors (see below), whose sum is σ = 168696561600. Its totient is φ = 153458592000.

The previous prime is 161000612441. The next prime is 161000612459. The reversal of 161000612453 is 354216000161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 161000612453 - 2²⁴ = 160983835237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161000612459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724658 + ... + 920396.

It is an arithmetic number, because the mean of its divisors is an integer number (10543535100).

Almost surely, 2^161000612453 is an apocalyptic number.

It is an amenable number.

161000612453 is a deficient number, since it is larger than the sum of its proper divisors (7695949147).

161000612453 is a wasteful number, since it uses less digits than its factorization.

161000612453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196132.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 161000612453 in words is "one hundred sixty-one billion, six hundred twelve thousand, four hundred fifty-three".