16765777098 has 24 divisors (see below), whose sum is σ = 41515257888. Its totient is φ = 4790221992.

The previous prime is 16765777097. The next prime is 16765777139. The reversal of 16765777098 is 89077756761.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (16765777097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66530736 + ... + 66530987.

It is an arithmetic number, because the mean of its divisors is an integer number (1729802412).

Almost surely, 2^16765777098 is an apocalyptic number.

16765777098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16765777098 is an abundant number, since it is smaller than the sum of its proper divisors (24749480790).

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

16765777098 is a wasteful number, since it uses less digits than its factorization.

16765777098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133061738 (or 133061735 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 63.

The spelling of 16765777098 in words is "sixteen billion, seven hundred sixty-five million, seven hundred seventy-seven thousand, ninety-eight".