161828624 has 20 divisors (see below), whose sum is σ = 330045840. Its totient is φ = 76655520.

The previous prime is 161828617. The next prime is 161828633. The reversal of 161828624 is 426828161.

It is a happy number.

161828624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 265862 + ... + 266469.

It is an arithmetic number, because the mean of its divisors is an integer number (16502292).

Almost surely, 2^161828624 is an apocalyptic number.

It is an amenable number.

161828624 is an abundant number, since it is smaller than the sum of its proper divisors (168217216).

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

161828624 is a wasteful number, since it uses less digits than its factorization.

161828624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532358 (or 532352 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 161828624 is about 12721.1879948376. The cubic root of 161828624 is about 544.9438810998.

The spelling of 161828624 in words is "one hundred sixty-one million, eight hundred twenty-eight thousand, six hundred twenty-four".