416125661 has 8 divisors (see below), whose sum is σ = 477987840. Its totient is φ = 354867408.

The previous prime is 416125607. The next prime is 416125673. The reversal of 416125661 is 166521614.

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

It is not a de Polignac number, because 416125661 - 2¹⁸ = 415863517 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 (416125601) 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, 149501 + ... + 152258.

It is an arithmetic number, because the mean of its divisors is an integer number (59748480).

Almost surely, 2^416125661 is an apocalyptic number.

It is an amenable number.

416125661 is a deficient number, since it is larger than the sum of its proper divisors (61862179).

416125661 is a wasteful number, since it uses less digits than its factorization.

416125661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301963.

The product of its digits is 8640, while the sum is 32.

The square root of 416125661 is about 20399.1583404806. The cubic root of 416125661 is about 746.5773890342.

It can be divided in two parts, 41612 and 5661, that multiplied together give a palindrome (235565532).

The spelling of 416125661 in words is "four hundred sixteen million, one hundred twenty-five thousand, six hundred sixty-one".