424981161 has 60 divisors (see below), whose sum is σ = 705259632. Its totient is φ = 254826000.

The previous prime is 424981121. The next prime is 424981213. The reversal of 424981161 is 161189424.

424981161 is a `hidden beast` number, since 4 + 2 + 498 + 1 + 161 = 666.

It is not a de Polignac number, because 424981161 - 2¹³ = 424972969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424981121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1283766 + ... + 1284096.

Almost surely, 2^424981161 is an apocalyptic number.

It is an amenable number.

424981161 is a deficient number, since it is larger than the sum of its proper divisors (280278471).

424981161 is a wasteful number, since it uses less digits than its factorization.

424981161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 476 counting only the distinct ones).

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

The square root of 424981161 is about 20615.0712101608. The cubic root of 424981161 is about 751.8361888785.

The spelling of 424981161 in words is "four hundred twenty-four million, nine hundred eighty-one thousand, one hundred sixty-one".