164284737 has 8 divisors (see below), whose sum is σ = 222315936. Its totient is φ = 107888352.

The previous prime is 164284727. The next prime is 164284741. The reversal of 164284737 is 737482461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-164284737 is a prime.

It is a super-2 number, since 2×164284737² = 53978949622318338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164284727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408468 + ... + 408869.

It is an arithmetic number, because the mean of its divisors is an integer number (27789492).

Almost surely, 2^164284737 is an apocalyptic number.

It is an amenable number.

164284737 is a deficient number, since it is larger than the sum of its proper divisors (58031199).

164284737 is an equidigital number, since it uses as much as digits as its factorization.

164284737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817407.

The product of its digits is 225792, while the sum is 42.

The square root of 164284737 is about 12817.3607657739. The cubic root of 164284737 is about 547.6869660241.

The spelling of 164284737 in words is "one hundred sixty-four million, two hundred eighty-four thousand, seven hundred thirty-seven".