161246377424 has 40 divisors (see below), whose sum is σ = 340907472192. Its totient is φ = 73274181120.

The previous prime is 161246377423. The next prime is 161246377441. The reversal of 161246377424 is 424773642161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161246377423) 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, 546797 + ... + 788339.

Almost surely, 2^161246377424 is an apocalyptic number.

It is an amenable number.

161246377424 is an abundant number, since it is smaller than the sum of its proper divisors (179661094768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161246377424 is a wasteful number, since it uses less digits than its factorization.

161246377424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245355 (or 245349 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 47.

The spelling of 161246377424 in words is "one hundred sixty-one billion, two hundred forty-six million, three hundred seventy-seven thousand, four hundred twenty-four".