16770733661 has 32 divisors (see below), whose sum is σ = 18850330368. Its totient is φ = 14791229440.

The previous prime is 16770733633. The next prime is 16770733691. The reversal of 16770733661 is 16633707761.

It is a cyclic number.

It is not a de Polignac number, because 16770733661 - 2¹⁰ = 16770732637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16770733691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25920440 + ... + 25921086.

It is an arithmetic number, because the mean of its divisors is an integer number (589072824).

Almost surely, 2^16770733661 is an apocalyptic number.

16770733661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16770733661 is a deficient number, since it is larger than the sum of its proper divisors (2079596707).

16770733661 is a wasteful number, since it uses less digits than its factorization.

16770733661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 666792, while the sum is 47.

The spelling of 16770733661 in words is "sixteen billion, seven hundred seventy million, seven hundred thirty-three thousand, six hundred sixty-one".