7650998632661 has 8 divisors (see below), whose sum is σ = 7680855716160. Its totient is φ = 7621198044768.

The previous prime is 7650998632601. The next prime is 7650998632691. The reversal of 7650998632661 is 1662368990567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7650998632661 - 2¹⁴ = 7650998616277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7650998632591 and 7650998632600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7650998632601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13852511 + ... + 14394236.

It is an arithmetic number, because the mean of its divisors is an integer number (960106964520).

Almost surely, 2^{7650998632661} is an apocalyptic number.

It is an amenable number.

7650998632661 is a deficient number, since it is larger than the sum of its proper divisors (29857083499).

7650998632661 is a wasteful number, since it uses less digits than its factorization.

7650998632661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247803.

The product of its (nonzero) digits is 176359680, while the sum is 68.

The spelling of 7650998632661 in words is "seven trillion, six hundred fifty billion, nine hundred ninety-eight million, six hundred thirty-two thousand, six hundred sixty-one".