161402424754 has 8 divisors (see below), whose sum is σ = 243645698988. Its totient is φ = 80187191760.

The previous prime is 161402424691. The next prime is 161402424773. The reversal of 161402424754 is 457424204161.

It can be written as a sum of positive squares in 2 ways, for example, as 149941651729 + 11460773025 = 387223^2 + 107055^2 .

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

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, 257009917 + ... + 257010544.

Almost surely, 2^161402424754 is an apocalyptic number.

161402424754 is a deficient number, since it is larger than the sum of its proper divisors (82243274234).

161402424754 is a wasteful number, since it uses less digits than its factorization.

161402424754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514020620.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 161402424754 in words is "one hundred sixty-one billion, four hundred two million, four hundred twenty-four thousand, seven hundred fifty-four".