1552021163 has 32 divisors (see below), whose sum is σ = 2047721472. Its totient is φ = 1140400800.

The previous prime is 1552021157. The next prime is 1552021189. The reversal of 1552021163 is 3611202551.

It is not a de Polignac number, because 1552021163 - 2⁴ = 1552021147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552021193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119570 + ... + 131912.

It is an arithmetic number, because the mean of its divisors is an integer number (63991296).

Almost surely, 2^1552021163 is an apocalyptic number.

1552021163 is a deficient number, since it is larger than the sum of its proper divisors (495700309).

1552021163 is a wasteful number, since it uses less digits than its factorization.

1552021163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1552021163 is about 39395.6998034049. The cubic root of 1552021163 is about 1157.7973369216.

The spelling of 1552021163 in words is "one billion, five hundred fifty-two million, twenty-one thousand, one hundred sixty-three".