1023553164 has 48 divisors (see below), whose sum is σ = 2488048640. Its totient is φ = 327136320.

The previous prime is 1023553159. The next prime is 1023553207. The reversal of 1023553164 is 4613553201.

It is a super-2 number, since 2×1023553164² = 2095322159068821792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27927 + ... + 53169.

Almost surely, 2^1023553164 is an apocalyptic number.

It is an amenable number.

1023553164 is an abundant number, since it is smaller than the sum of its proper divisors (1464495476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023553164 is a wasteful number, since it uses less digits than its factorization.

1023553164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25390 (or 25388 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1023553164 is about 31993.0174256821. The cubic root of 1023553164 is about 1007.7902097102.

The spelling of 1023553164 in words is "one billion, twenty-three million, five hundred fifty-three thousand, one hundred sixty-four".