164600047 has 4 divisors (see below), whose sum is σ = 165784360. Its totient is φ = 163415736.

The previous prime is 164599999. The next prime is 164600053. The reversal of 164600047 is 740006461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740006461 = 877 ⋅843793.

It is a cyclic number.

It is not a de Polignac number, because 164600047 - 2²³ = 156211439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164599988 and 164600024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164600057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591948 + ... + 592225.

It is an arithmetic number, because the mean of its divisors is an integer number (41446090).

Almost surely, 2^164600047 is an apocalyptic number.

164600047 is a deficient number, since it is larger than the sum of its proper divisors (1184313).

164600047 is a wasteful number, since it uses less digits than its factorization.

164600047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184312.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 164600047 is about 12829.6549836697. The cubic root of 164600047 is about 548.0371320764.

The spelling of 164600047 in words is "one hundred sixty-four million, six hundred thousand, forty-seven".