164717542 has 12 divisors (see below), whose sum is σ = 271580148. Its totient is φ = 74871500.

The previous prime is 164717537. The next prime is 164717591. The reversal of 164717542 is 245717461.

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, 340084 + ... + 340567.

It is an arithmetic number, because the mean of its divisors is an integer number (22631679).

Almost surely, 2^164717542 is an apocalyptic number.

164717542 is a deficient number, since it is larger than the sum of its proper divisors (106862606).

164717542 is a wasteful number, since it uses less digits than its factorization.

164717542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680675 (or 680664 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 164717542 is about 12834.2332065457. The cubic root of 164717542 is about 548.1675012322.

The spelling of 164717542 in words is "one hundred sixty-four million, seven hundred seventeen thousand, five hundred forty-two".