8064498661 has 4 divisors (see below), whose sum is σ = 8076736800. Its totient is φ = 8052260524.

The previous prime is 8064498647. The next prime is 8064498677. The reversal of 8064498661 is 1668944608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8064498661 is a prime.

It is a super-2 number, since 2×8064498661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8064498599 and 8064498608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064498601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6118081 + ... + 6119398.

It is an arithmetic number, because the mean of its divisors is an integer number (2019184200).

Almost surely, 2^8064498661 is an apocalyptic number.

It is an amenable number.

8064498661 is a deficient number, since it is larger than the sum of its proper divisors (12238139).

8064498661 is a wasteful number, since it uses less digits than its factorization.

8064498661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238138.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 8064498661 is about 89802.5537554473. The cubic root of 8064498661 is about 2005.3605080571.

The spelling of 8064498661 in words is "eight billion, sixty-four million, four hundred ninety-eight thousand, six hundred sixty-one".