67161204 has 48 divisors (see below), whose sum is σ = 189954240. Its totient is φ = 20351520.

The previous prime is 67161197. The next prime is 67161209. The reversal of 67161204 is 40216176.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67161209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27079 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (3957380).

Almost surely, 2^67161204 is an apocalyptic number.

It is an amenable number.

67161204 is an abundant number, since it is smaller than the sum of its proper divisors (122793036).

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

67161204 is a wasteful number, since it uses less digits than its factorization.

67161204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56557 (or 56549 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 67161204 is about 8195.1939574363. The cubic root of 67161204 is about 406.4802893453.

The spelling of 67161204 in words is "sixty-seven million, one hundred sixty-one thousand, two hundred four".