164719942 has 12 divisors (see below), whose sum is σ = 255896316. Its totient is φ = 79519160.

The previous prime is 164719937. The next prime is 164719963. The reversal of 164719942 is 249917461.

164719942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47284 + ... + 50647.

It is an arithmetic number, because the mean of its divisors is an integer number (21324693).

Almost surely, 2^164719942 is an apocalyptic number.

164719942 is a deficient number, since it is larger than the sum of its proper divisors (91176374).

164719942 is an equidigital number, since it uses as much as digits as its factorization.

164719942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97991 (or 97962 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 164719942 is about 12834.3267061424. The cubic root of 164719942 is about 548.1701635587.

The spelling of 164719942 in words is "one hundred sixty-four million, seven hundred nineteen thousand, nine hundred forty-two".