1166612455 has 8 divisors (see below), whose sum is σ = 1400181552. Its totient is φ = 933125568.

The previous prime is 1166612449. The next prime is 1166612477. The reversal of 1166612455 is 5542166611.

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 1166612455 - 2⁷ = 1166612327 is a prime.

It is a super-2 number, since 2×1166612455² = 2721969240322254050, which contains 22 as substring.

It is a Duffinian number.

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, 16867 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (175022694).

Almost surely, 2^1166612455 is an apocalyptic number.

1166612455 is a deficient number, since it is larger than the sum of its proper divisors (233569097).

1166612455 is an equidigital number, since it uses as much as digits as its factorization.

1166612455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41105.

The product of its digits is 43200, while the sum is 37.

The square root of 1166612455 is about 34155.7089664378. The cubic root of 1166612455 is about 1052.7102936244.

The spelling of 1166612455 in words is "one billion, one hundred sixty-six million, six hundred twelve thousand, four hundred fifty-five".