655654625251602 has 8 divisors (see below), whose sum is σ = 1311309250503216. Its totient is φ = 218551541750532.

The previous prime is 655654625251541. The next prime is 655654625251607. The reversal of 655654625251602 is 206152526456556.

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

655654625251602 is an admirable number.

It is a super-2 number, since 2×655654625251602² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655654625251607) 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, 54637885437628 + ... + 54637885437639.

It is an arithmetic number, because the mean of its divisors is an integer number (163913656312902).

Almost surely, 2^{655654625251602} is an apocalyptic number.

655654625251602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655654625251602 is a wasteful number, since it uses less digits than its factorization.

655654625251602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109275770875272.

The product of its (nonzero) digits is 129600000, while the sum is 60.

The spelling of 655654625251602 in words is "six hundred fifty-five trillion, six hundred fifty-four billion, six hundred twenty-five million, two hundred fifty-one thousand, six hundred two".