368155661 has 8 divisors (see below), whose sum is σ = 383433984. Its totient is φ = 353157840.

The previous prime is 368155631. The next prime is 368155663. The reversal of 368155661 is 166551863.

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 368155661 - 2¹⁰ = 368154637 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 (368155663) 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, 67445 + ... + 72698.

It is an arithmetic number, because the mean of its divisors is an integer number (47929248).

Almost surely, 2^368155661 is an apocalyptic number.

It is an amenable number.

368155661 is a deficient number, since it is larger than the sum of its proper divisors (15278323).

368155661 is a wasteful number, since it uses less digits than its factorization.

368155661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140251.

The product of its digits is 129600, while the sum is 41.

The square root of 368155661 is about 19187.3828595773. The cubic root of 368155661 is about 716.7105999628.

The spelling of 368155661 in words is "three hundred sixty-eight million, one hundred fifty-five thousand, six hundred sixty-one".