41661957 has 8 divisors (see below), whose sum is σ = 55917760. Its totient is φ = 27590400.

The previous prime is 41661943. The next prime is 41661979. The reversal of 41661957 is 75916614.

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

It is not a de Polignac number, because 41661957 - 2⁴ = 41661941 is a prime.

It is a super-2 number, since 2×41661957² = 3471437322139698, 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 (41661937) 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, 45532 + ... + 46437.

It is an arithmetic number, because the mean of its divisors is an integer number (6989720).

Almost surely, 2^41661957 is an apocalyptic number.

It is an amenable number.

41661957 is a deficient number, since it is larger than the sum of its proper divisors (14255803).

41661957 is a wasteful number, since it uses less digits than its factorization.

41661957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92123.

The product of its digits is 45360, while the sum is 39.

The square root of 41661957 is about 6454.6074241583. The cubic root of 41661957 is about 346.6675746812.

The spelling of 41661957 in words is "forty-one million, six hundred sixty-one thousand, nine hundred fifty-seven".