164676245 has 8 divisors (see below), whose sum is σ = 198461016. Its totient is φ = 131174656.

The previous prime is 164676227. The next prime is 164676277. The reversal of 164676245 is 542676461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19280881 + 145395364 = 4391^2 + 12058^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 164676245 - 2⁸ = 164675989 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 69512 + ... + 71841.

It is an arithmetic number, because the mean of its divisors is an integer number (24807627).

Almost surely, 2^164676245 is an apocalyptic number.

It is an amenable number.

164676245 is a deficient number, since it is larger than the sum of its proper divisors (33784771).

164676245 is a wasteful number, since it uses less digits than its factorization.

164676245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141591.

The product of its digits is 241920, while the sum is 41.

The square root of 164676245 is about 12832.6242444794. The cubic root of 164676245 is about 548.1216863074.

The spelling of 164676245 in words is "one hundred sixty-four million, six hundred seventy-six thousand, two hundred forty-five".