161367212354 has 8 divisors (see below), whose sum is σ = 256289102028. Its totient is φ = 75937511680.

The previous prime is 161367212351. The next prime is 161367212359. The reversal of 161367212354 is 453212763161.

It can be written as a sum of positive squares in 2 ways, for example, as 161301034129 + 66178225 = 401623^2 + 8135^2 .

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

It is not an unprimeable number, because it can be changed into a prime (161367212351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373047207 + ... + 2373047274.

Almost surely, 2^161367212354 is an apocalyptic number.

161367212354 is a deficient number, since it is larger than the sum of its proper divisors (94921889674).

161367212354 is a wasteful number, since it uses less digits than its factorization.

161367212354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746094500.

The product of its digits is 181440, while the sum is 41.

The spelling of 161367212354 in words is "one hundred sixty-one billion, three hundred sixty-seven million, two hundred twelve thousand, three hundred fifty-four".