1009164390 has 64 divisors (see below), whose sum is σ = 2692472832. Its totient is φ = 240393600.

The previous prime is 1009164341. The next prime is 1009164449. The reversal of 1009164390 is 934619001.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 29646 + ... + 53825.

It is an arithmetic number, because the mean of its divisors is an integer number (42069888).

Almost surely, 2^1009164390 is an apocalyptic number.

1009164390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009164390 is an abundant number, since it is smaller than the sum of its proper divisors (1683308442).

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

1009164390 is a wasteful number, since it uses less digits than its factorization.

1009164390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83525.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1009164390 is about 31767.3478590832. The cubic root of 1009164390 is about 1003.0455121068.

The spelling of 1009164390 in words is "one billion, nine million, one hundred sixty-four thousand, three hundred ninety".