1146631679 has 16 divisors (see below), whose sum is σ = 1188751872. Its totient is φ = 1105308288.

The previous prime is 1146631643. The next prime is 1146631699. The reversal of 1146631679 is 9761366411.

It is a cyclic number.

It is not a de Polignac number, because 1146631679 - 2¹² = 1146627583 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 (1146631639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782932 + ... + 1783574.

It is an arithmetic number, because the mean of its divisors is an integer number (74296992).

Almost surely, 2^1146631679 is an apocalyptic number.

1146631679 is a deficient number, since it is larger than the sum of its proper divisors (42120193).

1146631679 is a wasteful number, since it uses less digits than its factorization.

1146631679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its digits is 163296, while the sum is 44.

The square root of 1146631679 is about 33861.9503129988. The cubic root of 1146631679 is about 1046.6656674478.

The spelling of 1146631679 in words is "one billion, one hundred forty-six million, six hundred thirty-one thousand, six hundred seventy-nine".