661075096 has 16 divisors (see below), whose sum is σ = 1352199240. Its totient is φ = 300488640.

The previous prime is 661075091. The next prime is 661075099. The reversal of 661075096 is 690570166.

661075096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (661075091) 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, 3756021 + ... + 3756196.

Almost surely, 2^661075096 is an apocalyptic number.

It is an amenable number.

661075096 is an abundant number, since it is smaller than the sum of its proper divisors (691124144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

661075096 is a wasteful number, since it uses less digits than its factorization.

661075096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512234 (or 7512230 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 661075096 is about 25711.3806708236. The cubic root of 661075096 is about 871.1312610212.

The spelling of 661075096 in words is "six hundred sixty-one million, seventy-five thousand, ninety-six".