16849976540 has 24 divisors (see below), whose sum is σ = 35420988960. Its totient is φ = 6733126208.

The previous prime is 16849976537. The next prime is 16849976543. The reversal of 16849976540 is 4567994861.

It is an interprime number because it is at equal distance from previous prime (16849976537) and next prime (16849976543).

It is a self number, because there is not a number n which added to its sum of digits gives 16849976540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849976543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408875 + ... + 448194.

It is an arithmetic number, because the mean of its divisors is an integer number (1475874540).

Almost surely, 2^16849976540 is an apocalyptic number.

16849976540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16849976540 is an abundant number, since it is smaller than the sum of its proper divisors (18571012420).

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

16849976540 is a wasteful number, since it uses less digits than its factorization.

16849976540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858061 (or 858059 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 16849976540 in words is "sixteen billion, eight hundred forty-nine million, nine hundred seventy-six thousand, five hundred forty".