151611605110661 has 8 divisors (see below), whose sum is σ = 159593262499200. Its totient is φ = 143630157644640.

The previous prime is 151611605110639. The next prime is 151611605110673. The reversal of 151611605110661 is 166011506116151.

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 151611605110661 - 2¹⁴ = 151611605094277 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 (151611605110061) 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, 50997080 + ... + 53888081.

It is an arithmetic number, because the mean of its divisors is an integer number (19949157812400).

Almost surely, 2^{151611605110661} is an apocalyptic number.

It is an amenable number.

151611605110661 is a deficient number, since it is larger than the sum of its proper divisors (7981657388539).

151611605110661 is a wasteful number, since it uses less digits than its factorization.

151611605110661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104961259.

The product of its (nonzero) digits is 32400, while the sum is 41.

The spelling of 151611605110661 in words is "one hundred fifty-one trillion, six hundred eleven billion, six hundred five million, one hundred ten thousand, six hundred sixty-one".