411455661 has 8 divisors (see below), whose sum is σ = 548708160. Its totient is φ = 274253472.

The previous prime is 411455657. The next prime is 411455663. The reversal of 411455661 is 166554114.

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

It is not a de Polignac number, because 411455661 - 2² = 411455657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411455663) 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, 15400 + ... + 32558.

It is an arithmetic number, because the mean of its divisors is an integer number (68588520).

Almost surely, 2^411455661 is an apocalyptic number.

It is an amenable number.

411455661 is a deficient number, since it is larger than the sum of its proper divisors (137252499).

411455661 is a wasteful number, since it uses less digits than its factorization.

411455661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25155.

The product of its digits is 14400, while the sum is 33.

The square root of 411455661 is about 20284.3698694340. The cubic root of 411455661 is about 743.7740364051.

The spelling of 411455661 in words is "four hundred eleven million, four hundred fifty-five thousand, six hundred sixty-one".