16547946990 has 16 divisors (see below), whose sum is σ = 39715072848. Its totient is φ = 4412785856.

The previous prime is 16547946973. The next prime is 16547946997. The reversal of 16547946990 is 9964974561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16547946997) 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, 275799087 + ... + 275799146.

It is an arithmetic number, because the mean of its divisors is an integer number (2482192053).

Almost surely, 2^16547946990 is an apocalyptic number.

16547946990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16547946990 is an abundant number, since it is smaller than the sum of its proper divisors (23167125858).

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

16547946990 is a wasteful number, since it uses less digits than its factorization.

16547946990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551598243.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 16547946990 in words is "sixteen billion, five hundred forty-seven million, nine hundred forty-six thousand, nine hundred ninety".