828164688128 has 18 divisors (see below), whose sum is σ = 1653094358454. Its totient is φ = 414082343936.

The previous prime is 828164688103. The next prime is 828164688139. The reversal of 828164688128 is 821886461828.

It can be written as a sum of positive squares in only one way, i.e., 799035756544 + 29128931584 = 893888^2 + 170672^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617508901 + ... + 1617509412.

Almost surely, 2^828164688128 is an apocalyptic number.

It is an amenable number.

828164688128 is a deficient number, since it is larger than the sum of its proper divisors (824929670326).

828164688128 is an equidigital number, since it uses as much as digits as its factorization.

828164688128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235018329 (or 3235018315 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 62.

The spelling of 828164688128 in words is "eight hundred twenty-eight billion, one hundred sixty-four million, six hundred eighty-eight thousand, one hundred twenty-eight".