967619661 has 8 divisors (see below), whose sum is σ = 1291405440. Its totient is φ = 644456832.

The previous prime is 967619623. The next prime is 967619663. The reversal of 967619661 is 166916769.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 967619661 - 2²⁵ = 934065229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967619663) 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, 152100 + ... + 158333.

It is an arithmetic number, because the mean of its divisors is an integer number (161425680).

Almost surely, 2^967619661 is an apocalyptic number.

It is an amenable number.

967619661 is a deficient number, since it is larger than the sum of its proper divisors (323785779).

967619661 is a wasteful number, since it uses less digits than its factorization.

967619661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311475.

The product of its digits is 734832, while the sum is 51.

The square root of 967619661 is about 31106.5854924645. The cubic root of 967619661 is about 989.0879131410.

The spelling of 967619661 in words is "nine hundred sixty-seven million, six hundred nineteen thousand, six hundred sixty-one".