1160061901 has 2 divisors, whose sum is σ = 1160061902. Its totient is φ = 1160061900.

The previous prime is 1160061899. The next prime is 1160061923. The reversal of 1160061901 is 1091600611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625250025 + 534811876 = 25005^2 + 23126^2 .

It is an emirp because it is prime and its reverse (1091600611) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1061900911 and 1190091601.

It is a cyclic number.

It is not a de Polignac number, because 1160061901 - 2¹ = 1160061899 is a prime.

It is a super-2 number, since 2×1160061901² = 2691487228303467602, which contains 22 as substring.

Together with 1160061899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160061941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580030950 + 580030951.

It is an arithmetic number, because the mean of its divisors is an integer number (580030951).

Almost surely, 2^1160061901 is an apocalyptic number.

It is an amenable number.

1160061901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160061901 is an equidigital number, since it uses as much as digits as its factorization.

1160061901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1160061901 is about 34059.6814577001. The cubic root of 1160061901 is about 1050.7362639560.

The spelling of 1160061901 in words is "one billion, one hundred sixty million, sixty-one thousand, nine hundred one".