1015220164 has 24 divisors (see below), whose sum is σ = 2031635648. Its totient is φ = 434838240.

The previous prime is 1015220117. The next prime is 1015220201. The reversal of 1015220164 is 4610225101.

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 7 ways as a sum of consecutive naturals, for example, 42367 + ... + 61849.

Almost surely, 2^1015220164 is an apocalyptic number.

1015220164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1015220164 is an abundant number, since it is smaller than the sum of its proper divisors (1016415484).

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

1015220164 is a wasteful number, since it uses less digits than its factorization.

1015220164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355 (or 21353 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1015220164 is about 31862.5197371457. The cubic root of 1015220164 is about 1005.0478641923.

Adding to 1015220164 its reverse (4610225101), we get a palindrome (5625445265).

The spelling of 1015220164 in words is "one billion, fifteen million, two hundred twenty thousand, one hundred sixty-four".