161250424 has 32 divisors (see below), whose sum is σ = 316340640. Its totient is φ = 76912000.

The previous prime is 161250409. The next prime is 161250431. The reversal of 161250424 is 424052161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83874 + ... + 85774.

It is an arithmetic number, because the mean of its divisors is an integer number (9885645).

Almost surely, 2^161250424 is an apocalyptic number.

It is an amenable number.

161250424 is a deficient number, since it is larger than the sum of its proper divisors (155090216).

161250424 is a wasteful number, since it uses less digits than its factorization.

161250424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 161250424 is about 12698.4417941730. The cubic root of 161250424 is about 544.2940937917.

The spelling of 161250424 in words is "one hundred sixty-one million, two hundred fifty thousand, four hundred twenty-four".