6125355661 has 8 divisors (see below), whose sum is σ = 6298228224. Its totient is φ = 5952868560.

The previous prime is 6125355659. The next prime is 6125355667. The reversal of 6125355661 is 1665535216.

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

It is a cyclic number.

It is not a de Polignac number, because 6125355661 - 2¹ = 6125355659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6125355667) 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, 63985 + ... + 127846.

It is an arithmetic number, because the mean of its divisors is an integer number (787278528).

Almost surely, 2^6125355661 is an apocalyptic number.

It is an amenable number.

6125355661 is a deficient number, since it is larger than the sum of its proper divisors (172872563).

6125355661 is a wasteful number, since it uses less digits than its factorization.

6125355661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192731.

The product of its digits is 162000, while the sum is 40.

The square root of 6125355661 is about 78264.6514142879. The cubic root of 6125355661 is about 1829.6882685391.

The spelling of 6125355661 in words is "six billion, one hundred twenty-five million, three hundred fifty-five thousand, six hundred sixty-one".