130651661 has 8 divisors (see below), whose sum is σ = 155808384. Its totient is φ = 107118000.

The previous prime is 130651627. The next prime is 130651669. The reversal of 130651661 is 166156031.

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 130651661 - 2²⁶ = 63542797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130651669) 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, 405590 + ... + 405911.

It is an arithmetic number, because the mean of its divisors is an integer number (19476048).

Almost surely, 2^130651661 is an apocalyptic number.

It is an amenable number.

130651661 is a deficient number, since it is larger than the sum of its proper divisors (25156723).

130651661 is an equidigital number, since it uses as much as digits as its factorization.

130651661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811531.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 130651661 is about 11430.2957529541. The cubic root of 130651661 is about 507.4247484822.

The spelling of 130651661 in words is "one hundred thirty million, six hundred fifty-one thousand, six hundred sixty-one".