10302552661 has 4 divisors (see below), whose sum is σ = 10432964800. Its totient is φ = 10172140524.

The previous prime is 10302552641. The next prime is 10302552763. The reversal of 10302552661 is 16625520301.

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-10302552661 is a prime.

It is a super-2 number, since 2×10302552661² (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 (10302552641) 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, 65205951 + ... + 65206108.

It is an arithmetic number, because the mean of its divisors is an integer number (2608241200).

Almost surely, 2^10302552661 is an apocalyptic number.

It is an amenable number.

10302552661 is a deficient number, since it is larger than the sum of its proper divisors (130412139).

10302552661 is an equidigital number, since it uses as much as digits as its factorization.

10302552661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130412138.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 10302552661 in words is "ten billion, three hundred two million, five hundred fifty-two thousand, six hundred sixty-one".