16525573250 has 32 divisors (see below), whose sum is σ = 30973138560. Its totient is φ = 6602266800.

The previous prime is 16525573219. The next prime is 16525573261. The reversal of 16525573250 is 5237552561.

It is a happy number.

It is a super-2 number, since 2×16525573250² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16525573198 and 16525573207.

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, 170357 + ... + 249143.

It is an arithmetic number, because the mean of its divisors is an integer number (967910580).

Almost surely, 2^16525573250 is an apocalyptic number.

16525573250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16525573250 is a deficient number, since it is larger than the sum of its proper divisors (14447565310).

16525573250 is an equidigital number, since it uses as much as digits as its factorization.

16525573250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79643 (or 79633 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 41.

The spelling of 16525573250 in words is "sixteen billion, five hundred twenty-five million, five hundred seventy-three thousand, two hundred fifty".