6166531601 has 8 divisors (see below), whose sum is σ = 6531126624. Its totient is φ = 5802143040.

The previous prime is 6166531571. The next prime is 6166531621. The reversal of 6166531601 is 1061356616.

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 6166531601 - 2⁶ = 6166531537 is a prime.

It is a super-2 number, since 2×6166531601² = 76052223972263246402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6166531621) 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, 12146 + ... + 111716.

It is an arithmetic number, because the mean of its divisors is an integer number (816390828).

Almost surely, 2^6166531601 is an apocalyptic number.

It is an amenable number.

6166531601 is a deficient number, since it is larger than the sum of its proper divisors (364595023).

6166531601 is a wasteful number, since it uses less digits than its factorization.

6166531601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103231.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 6166531601 is about 78527.2666084845. The cubic root of 6166531601 is about 1833.7789668838.

The spelling of 6166531601 in words is "six billion, one hundred sixty-six million, five hundred thirty-one thousand, six hundred one".