16197990510 has 64 divisors (see below), whose sum is σ = 41880706560. Its totient is φ = 3985756800.

The previous prime is 16197990509. The next prime is 16197990517. The reversal of 16197990510 is 1509979161.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16197990510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16197990517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421335 + ... + 1432685.

It is an arithmetic number, because the mean of its divisors is an integer number (654386040).

Almost surely, 2^16197990510 is an apocalyptic number.

16197990510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16197990510 is an abundant number, since it is smaller than the sum of its proper divisors (25682716050).

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

16197990510 is a wasteful number, since it uses less digits than its factorization.

16197990510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033.

The product of its (nonzero) digits is 153090, while the sum is 48.

The spelling of 16197990510 in words is "sixteen billion, one hundred ninety-seven million, nine hundred ninety thousand, five hundred ten".