1160921953 has 8 divisors (see below), whose sum is σ = 1192794920. Its totient is φ = 1129075200.

The previous prime is 1160921947. The next prime is 1160921981. The reversal of 1160921953 is 3591290611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 912764944 + 248157009 = 30212^2 + 15753^2 .

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 1160921953 - 2⁵ = 1160921921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R_1160921952.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160921753) 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, 112303 + ... + 122203.

It is an arithmetic number, because the mean of its divisors is an integer number (149099365).

Almost surely, 2^1160921953 is an apocalyptic number.

It is an amenable number.

1160921953 is a deficient number, since it is larger than the sum of its proper divisors (31872967).

1160921953 is an equidigital number, since it uses as much as digits as its factorization.

1160921953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 1160921953 is about 34072.3047796887. The cubic root of 1160921953 is about 1050.9958663645.

The spelling of 1160921953 in words is "one billion, one hundred sixty million, nine hundred twenty-one thousand, nine hundred fifty-three".