164167746 has 16 divisors (see below), whose sum is σ = 331405344. Its totient is φ = 54210944.

The previous prime is 164167727. The next prime is 164167781. The reversal of 164167746 is 647761461.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164167698 and 164167707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127215 + ... + 128498.

It is an arithmetic number, because the mean of its divisors is an integer number (20712834).

Almost surely, 2^164167746 is an apocalyptic number.

164167746 is an abundant number, since it is smaller than the sum of its proper divisors (167237598).

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

164167746 is a wasteful number, since it uses less digits than its factorization.

164167746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255825.

The product of its digits is 169344, while the sum is 42.

The square root of 164167746 is about 12812.7961819425. The cubic root of 164167746 is about 547.5569282562.

It can be divided in two parts, 164 and 167746, that added together give a triangular number (167910 = T₅₇₉).

The spelling of 164167746 in words is "one hundred sixty-four million, one hundred sixty-seven thousand, seven hundred forty-six".