60151537661 has 2 divisors, whose sum is σ = 60151537662. Its totient is φ = 60151537660.

The previous prime is 60151537627. The next prime is 60151537687. The reversal of 60151537661 is 16673515106.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36794528761 + 23357008900 = 191819^2 + 152830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60151537661 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60151537601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30075768830 + 30075768831.

It is an arithmetic number, because the mean of its divisors is an integer number (30075768831).

Almost surely, 2^60151537661 is an apocalyptic number.

It is an amenable number.

60151537661 is a deficient number, since it is larger than the sum of its proper divisors (1).

60151537661 is an equidigital number, since it uses as much as digits as its factorization.

60151537661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 60151537661 in words is "sixty billion, one hundred fifty-one million, five hundred thirty-seven thousand, six hundred sixty-one".