1166630231049 has 8 divisors (see below), whose sum is σ = 1555515619872. Its totient is φ = 777749164800.

The previous prime is 1166630231047. The next prime is 1166630231051. The reversal of 1166630231049 is 9401320366611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1166630231047) and next prime (1166630231051).

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

It is not a de Polignac number, because 1166630231049 - 2¹ = 1166630231047 is a prime.

It is a super-2 number, since 2×1166630231049² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166630231049.

It is not an unprimeable number, because it can be changed into a prime (1166630231047) 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, 387352 + ... + 1575849.

It is an arithmetic number, because the mean of its divisors is an integer number (194439452484).

Almost surely, 2^{1166630231049} is an apocalyptic number.

It is an amenable number.

1166630231049 is a deficient number, since it is larger than the sum of its proper divisors (388885388823).

1166630231049 is a wasteful number, since it uses less digits than its factorization.

1166630231049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161287.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 1166630231049 in words is "one trillion, one hundred sixty-six billion, six hundred thirty million, two hundred thirty-one thousand, forty-nine".