1107307661 has 2 divisors, whose sum is σ = 1107307662. Its totient is φ = 1107307660.

The previous prime is 1107307627. The next prime is 1107307681. The reversal of 1107307661 is 1667037011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899400100 + 207907561 = 29990^2 + 14419^2 .

It is an emirp because it is prime and its reverse (1667037011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1107307661 - 2¹⁸ = 1107045517 is a prime.

It is a super-2 number, since 2×1107307661² = 2452260512218581842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1107307681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553653830 + 553653831.

It is an arithmetic number, because the mean of its divisors is an integer number (553653831).

Almost surely, 2^1107307661 is an apocalyptic number.

It is an amenable number.

1107307661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107307661 is an equidigital number, since it uses as much as digits as its factorization.

1107307661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1107307661 is about 33276.2326743879. The cubic root of 1107307661 is about 1034.5609972005.

The spelling of 1107307661 in words is "one billion, one hundred seven million, three hundred seven thousand, six hundred sixty-one".