1151664031 has 16 divisors (see below), whose sum is σ = 1399070016. Its totient is φ = 925433856.

The previous prime is 1151664023. The next prime is 1151664089. The reversal of 1151664031 is 1304661511.

It is a cyclic number.

It is not a de Polignac number, because 1151664031 - 2³ = 1151664023 is a prime.

It is a super-2 number, since 2×1151664031² = 2652660080598337922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151664001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11755 + ... + 49411.

It is an arithmetic number, because the mean of its divisors is an integer number (87441876).

Almost surely, 2^1151664031 is an apocalyptic number.

1151664031 is a deficient number, since it is larger than the sum of its proper divisors (247405985).

1151664031 is a wasteful number, since it uses less digits than its factorization.

1151664031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37938.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1151664031 is about 33936.1758452540. The cubic root of 1151664031 is about 1048.1946394574.

The spelling of 1151664031 in words is "one billion, one hundred fifty-one million, six hundred sixty-four thousand, thirty-one".