164628523745 has 16 divisors (see below), whose sum is σ = 225934325760. Its totient is φ = 112809098304.

The previous prime is 164628523693. The next prime is 164628523811. The reversal of 164628523745 is 547325826461.

It is not a de Polignac number, because 164628523745 - 2¹⁸ = 164628261601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595777 + ... + 1695806.

It is an arithmetic number, because the mean of its divisors is an integer number (14120895360).

Almost surely, 2^164628523745 is an apocalyptic number.

It is an amenable number.

164628523745 is a deficient number, since it is larger than the sum of its proper divisors (61305802015).

164628523745 is a wasteful number, since it uses less digits than its factorization.

164628523745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293024.

The product of its digits is 9676800, while the sum is 53.

The spelling of 164628523745 in words is "one hundred sixty-four billion, six hundred twenty-eight million, five hundred twenty-three thousand, seven hundred forty-five".