1146966401 has 4 divisors (see below), whose sum is σ = 1310818752. Its totient is φ = 983114052.

The previous prime is 1146966397. The next prime is 1146966409. The reversal of 1146966401 is 1046696411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1146966401 - 2² = 1146966397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146966409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81926165 + ... + 81926178.

It is an arithmetic number, because the mean of its divisors is an integer number (327704688).

Almost surely, 2^1146966401 is an apocalyptic number.

It is an amenable number.

1146966401 is a deficient number, since it is larger than the sum of its proper divisors (163852351).

1146966401 is an equidigital number, since it uses as much as digits as its factorization.

1146966401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163852350.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1146966401 is about 33866.8924024629. The cubic root of 1146966401 is about 1046.7675042588.

The spelling of 1146966401 in words is "one billion, one hundred forty-six million, nine hundred sixty-six thousand, four hundred one".