655691946027 has 8 divisors (see below), whose sum is σ = 874868586816. Its totient is φ = 436821634632.

The previous prime is 655691946023. The next prime is 655691946079. The reversal of 655691946027 is 720649196556.

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

It is not a de Polignac number, because 655691946027 - 2² = 655691946023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655691946023) 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, 76577353 + ... + 76585914.

It is an arithmetic number, because the mean of its divisors is an integer number (109358573352).

Almost surely, 2^655691946027 is an apocalyptic number.

655691946027 is a deficient number, since it is larger than the sum of its proper divisors (219176640789).

655691946027 is a wasteful number, since it uses less digits than its factorization.

655691946027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153164697.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 655691946027 in words is "six hundred fifty-five billion, six hundred ninety-one million, nine hundred forty-six thousand, twenty-seven".