16395247540 has 24 divisors (see below), whose sum is σ = 39348594432. Its totient is φ = 5621227680.

The previous prime is 16395247493. The next prime is 16395247639. The reversal of 16395247540 is 4574259361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58554316 + ... + 58554595.

It is an arithmetic number, because the mean of its divisors is an integer number (1639524768).

Almost surely, 2^16395247540 is an apocalyptic number.

16395247540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16395247540 is an abundant number, since it is smaller than the sum of its proper divisors (22953346892).

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

16395247540 is a wasteful number, since it uses less digits than its factorization.

16395247540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117108927 (or 117108925 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 16395247540 in words is "sixteen billion, three hundred ninety-five million, two hundred forty-seven thousand, five hundred forty".