16331541540 has 48 divisors (see below), whose sum is σ = 45733970688. Its totient is φ = 4354539264.

The previous prime is 16331541533. The next prime is 16331541547. The reversal of 16331541540 is 4514513361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16331541533) and next prime (16331541547).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16331541547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800709 + ... + 820851.

It is an arithmetic number, because the mean of its divisors is an integer number (952791056).

Almost surely, 2^16331541540 is an apocalyptic number.

16331541540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16331541540 is an abundant number, since it is smaller than the sum of its proper divisors (29402429148).

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

16331541540 is a wasteful number, since it uses less digits than its factorization.

16331541540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33668 (or 33666 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 16331541540 in words is "sixteen billion, three hundred thirty-one million, five hundred forty-one thousand, five hundred forty".