655190043 has 8 divisors (see below), whose sum is σ = 897197328. Its totient is φ = 424988064.

The previous prime is 655190027. The next prime is 655190051. The reversal of 655190043 is 340091556.

It is a happy number.

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

It is not a de Polignac number, because 655190043 - 2⁴ = 655190027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655189986 and 655190013.

It is not an unprimeable number, because it can be changed into a prime (655190023) 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, 2951196 + ... + 2951417.

It is an arithmetic number, because the mean of its divisors is an integer number (112149666).

Almost surely, 2^655190043 is an apocalyptic number.

655190043 is a deficient number, since it is larger than the sum of its proper divisors (242007285).

655190043 is a wasteful number, since it uses less digits than its factorization.

655190043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902653.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 655190043 is about 25596.6803121030. The cubic root of 655190043 is about 868.5385438598.

The spelling of 655190043 in words is "six hundred fifty-five million, one hundred ninety thousand, forty-three".