164435842 has 16 divisors (see below), whose sum is σ = 268012800. Its totient is φ = 75377520.

The previous prime is 164435833. The next prime is 164435851. The reversal of 164435842 is 248534461.

It is an interprime number because it is at equal distance from previous prime (164435833) and next prime (164435851).

It is a super-3 number, since 3×164435842³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68617 + ... + 70972.

It is an arithmetic number, because the mean of its divisors is an integer number (16750800).

Almost surely, 2^164435842 is an apocalyptic number.

164435842 is a deficient number, since it is larger than the sum of its proper divisors (103576958).

164435842 is a wasteful number, since it uses less digits than its factorization.

164435842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139641.

The product of its digits is 92160, while the sum is 37.

The square root of 164435842 is about 12823.2539552175. The cubic root of 164435842 is about 547.8548308350.

The spelling of 164435842 in words is "one hundred sixty-four million, four hundred thirty-five thousand, eight hundred forty-two".