164364737 has 4 divisors (see below), whose sum is σ = 167150640. Its totient is φ = 161578836.

The previous prime is 164364719. The next prime is 164364803. The reversal of 164364737 is 737463461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164364737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164364694 and 164364703.

It is not an unprimeable number, because it can be changed into a prime (164364337) 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, 1392863 + ... + 1392980.

It is an arithmetic number, because the mean of its divisors is an integer number (41787660).

Almost surely, 2^164364737 is an apocalyptic number.

It is an amenable number.

164364737 is a deficient number, since it is larger than the sum of its proper divisors (2785903).

164364737 is an equidigital number, since it uses as much as digits as its factorization.

164364737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785902.

The product of its digits is 254016, while the sum is 41.

The square root of 164364737 is about 12820.4811532173. The cubic root of 164364737 is about 547.7758520398.

The spelling of 164364737 in words is "one hundred sixty-four million, three hundred sixty-four thousand, seven hundred thirty-seven".