918124641 has 12 divisors (see below), whose sum is σ = 1515634432. Its totient is φ = 524642616.

The previous prime is 918124637. The next prime is 918124657. The reversal of 918124641 is 146421819.

918124641 is a `hidden beast` number, since 9 + 1 + 8 + 1 + 2 + 4 + 641 = 666.

It is not a de Polignac number, because 918124641 - 2² = 918124637 is a prime.

It is a super-2 number, since 2×918124641² = 1685905712822757762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 918124596 and 918124605.

It is not an unprimeable number, because it can be changed into a prime (918124681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7286641 + ... + 7286766.

Almost surely, 2^918124641 is an apocalyptic number.

It is an amenable number.

918124641 is a deficient number, since it is larger than the sum of its proper divisors (597509791).

918124641 is a wasteful number, since it uses less digits than its factorization.

918124641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573420 (or 14573417 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 918124641 is about 30300.5716282713. The cubic root of 918124641 is about 971.9275240631.

The spelling of 918124641 in words is "nine hundred eighteen million, one hundred twenty-four thousand, six hundred forty-one".