9245137661 has 16 divisors (see below), whose sum is σ = 9781516800. Its totient is φ = 8720245248.

The previous prime is 9245137651. The next prime is 9245137663. The reversal of 9245137661 is 1667315429.

It is a cyclic number.

It is not a de Polignac number, because 9245137661 - 2⁶ = 9245137597 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 (9245137663) 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 15 ways as a sum of consecutive naturals, for example, 1685255 + ... + 1690731.

It is an arithmetic number, because the mean of its divisors is an integer number (611344800).

Almost surely, 2^9245137661 is an apocalyptic number.

It is an amenable number.

9245137661 is a deficient number, since it is larger than the sum of its proper divisors (536379139).

9245137661 is a wasteful number, since it uses less digits than its factorization.

9245137661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its digits is 272160, while the sum is 44.

The square root of 9245137661 is about 96151.6388887886. The cubic root of 9245137661 is about 2098.8003473906.

The spelling of 9245137661 in words is "nine billion, two hundred forty-five million, one hundred thirty-seven thousand, six hundred sixty-one".