16258357920 has 96 divisors (see below), whose sum is σ = 58530100608. Its totient is φ = 3716195328.

The previous prime is 16258357903. The next prime is 16258357933. The reversal of 16258357920 is 2975385261.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16258357920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416039 + ... + 2422758.

It is an arithmetic number, because the mean of its divisors is an integer number (609688548).

Almost surely, 2^16258357920 is an apocalyptic number.

16258357920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16258357920 is an abundant number, since it is smaller than the sum of its proper divisors (42271742688).

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

16258357920 is a wasteful number, since it uses less digits than its factorization.

16258357920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838822 (or 4838814 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 16258357920 in words is "sixteen billion, two hundred fifty-eight million, three hundred fifty-seven thousand, nine hundred twenty".