9262791661 has 36 divisors (see below), whose sum is σ = 10112445876. Its totient is φ = 8481957120.

The previous prime is 9262791647. The next prime is 9262791673. The reversal of 9262791661 is 1661972629.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 21622500 + 9241169161 = 4650^2 + 96131^2 .

It is not a de Polignac number, because 9262791661 - 2³³ = 672857069 is a prime.

It is a super-2 number, since 2×9262791661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9262791761) 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 35 ways as a sum of consecutive naturals, for example, 58998595 + ... + 58998751.

Almost surely, 2^9262791661 is an apocalyptic number.

It is an amenable number.

9262791661 is a deficient number, since it is larger than the sum of its proper divisors (849654215).

9262791661 is a wasteful number, since it uses less digits than its factorization.

9262791661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 290 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 9262791661 is about 96243.3980125390. The cubic root of 9262791661 is about 2100.1354153796.

The spelling of 9262791661 in words is "nine billion, two hundred sixty-two million, seven hundred ninety-one thousand, six hundred sixty-one".