961527661 has 8 divisors (see below), whose sum is σ = 1029290400. Its totient is φ = 895480560.

The previous prime is 961527659. The next prime is 961527691. The reversal of 961527661 is 166725169.

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 961527661 - 2¹ = 961527659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961527691) 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, 427750 + ... + 429991.

It is an arithmetic number, because the mean of its divisors is an integer number (128661300).

Almost surely, 2^961527661 is an apocalyptic number.

It is an amenable number.

961527661 is a deficient number, since it is larger than the sum of its proper divisors (67762739).

961527661 is a wasteful number, since it uses less digits than its factorization.

961527661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857819.

The product of its digits is 136080, while the sum is 43.

The square root of 961527661 is about 31008.5094933633. The cubic root of 961527661 is about 987.0078213051.

The spelling of 961527661 in words is "nine hundred sixty-one million, five hundred twenty-seven thousand, six hundred sixty-one".