655081190 has 16 divisors (see below), whose sum is σ = 1207906560. Its totient is φ = 255641280.

The previous prime is 655081187. The next prime is 655081223. The reversal of 655081190 is 91180556.

It is a super-2 number, since 2×655081190² = 858262730983632200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655081190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798470 + ... + 799289.

It is an arithmetic number, because the mean of its divisors is an integer number (75494160).

Almost surely, 2^655081190 is an apocalyptic number.

655081190 is a deficient number, since it is larger than the sum of its proper divisors (552825370).

655081190 is a wasteful number, since it uses less digits than its factorization.

655081190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597807.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 655081190 is about 25594.5539128933. The cubic root of 655081190 is about 868.4904416522.

The spelling of 655081190 in words is "six hundred fifty-five million, eighty-one thousand, one hundred ninety".