7661731101 has 8 divisors (see below), whose sum is σ = 10217737920. Its totient is φ = 5106772512.

The previous prime is 7661731097. The next prime is 7661731111. The reversal of 7661731101 is 1011371667.

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

It is not a de Polignac number, because 7661731101 - 2² = 7661731097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661731111) 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, 244840 + ... + 274353.

It is an arithmetic number, because the mean of its divisors is an integer number (1277217240).

Almost surely, 2^7661731101 is an apocalyptic number.

It is an amenable number.

7661731101 is a deficient number, since it is larger than the sum of its proper divisors (2556006819).

7661731101 is a wasteful number, since it uses less digits than its factorization.

7661731101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524115.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 7661731101 is about 87531.3149735567. The cubic root of 7661731101 is about 1971.4040083664.

The spelling of 7661731101 in words is "seven billion, six hundred sixty-one million, seven hundred thirty-one thousand, one hundred one".