16761377660 has 48 divisors (see below), whose sum is σ = 36426771360. Its totient is φ = 6470849280.

The previous prime is 16761377653. The next prime is 16761377671. The reversal of 16761377660 is 6677316761.

It is a happy number.

It is a super-2 number, since 2×16761377660² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16761377599 and 16761377608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328587 + ... + 2335773.

It is an arithmetic number, because the mean of its divisors is an integer number (758891070).

Almost surely, 2^16761377660 is an apocalyptic number.

16761377660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16761377660 is an abundant number, since it is smaller than the sum of its proper divisors (19665393700).

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

16761377660 is a wasteful number, since it uses less digits than its factorization.

16761377660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246 (or 11244 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 16761377660 in words is "sixteen billion, seven hundred sixty-one million, three hundred seventy-seven thousand, six hundred sixty".