41956661 has 4 divisors (see below), whose sum is σ = 42263052. Its totient is φ = 41650272.

The previous prime is 41956657. The next prime is 41956667. The reversal of 41956661 is 16665914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12460900 + 29495761 = 3530^2 + 5431^2 .

It is a cyclic number.

It is not a de Polignac number, because 41956661 - 2² = 41956657 is a prime.

It is a super-2 number, since 2×41956661² = 3520722804537842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41956667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152990 + ... + 153263.

It is an arithmetic number, because the mean of its divisors is an integer number (10565763).

Almost surely, 2^41956661 is an apocalyptic number.

It is an amenable number.

41956661 is a deficient number, since it is larger than the sum of its proper divisors (306391).

41956661 is a wasteful number, since it uses less digits than its factorization.

41956661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306390.

The product of its digits is 38880, while the sum is 38.

The square root of 41956661 is about 6477.3961589515. The cubic root of 41956661 is about 347.4830618178.

The spelling of 41956661 in words is "forty-one million, nine hundred fifty-six thousand, six hundred sixty-one".