16831667077 has 16 divisors (see below), whose sum is σ = 18067134960. Its totient is φ = 15648933888.

The previous prime is 16831667059. The next prime is 16831667081. The reversal of 16831667077 is 77076613861.

It can be written as a sum of positive squares in 8 ways, for example, as 2212197156 + 14619469921 = 47034^2 + 120911^2 .

It is a cyclic number.

It is not a de Polignac number, because 16831667077 - 2⁷ = 16831666949 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 (16831665077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23223 + ... + 184939.

It is an arithmetic number, because the mean of its divisors is an integer number (1129195935).

Almost surely, 2^16831667077 is an apocalyptic number.

It is an amenable number.

16831667077 is a deficient number, since it is larger than the sum of its proper divisors (1235467883).

16831667077 is a wasteful number, since it uses less digits than its factorization.

16831667077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161880.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 16831667077 in words is "sixteen billion, eight hundred thirty-one million, six hundred sixty-seven thousand, seventy-seven".