496690551 has 24 divisors (see below), whose sum is σ = 820759680. Its totient is φ = 283537296.

The previous prime is 496690541. The next prime is 496690567. The reversal of 496690551 is 155096694.

It is a happy number.

496690551 is a `hidden beast` number, since 4 + 9 + 6 + 6 + 90 + 551 = 666.

It is not a de Polignac number, because 496690551 - 2¹¹ = 496688503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 496690497 and 496690506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496690541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69880 + ... + 76658.

It is an arithmetic number, because the mean of its divisors is an integer number (34198320).

Almost surely, 2^496690551 is an apocalyptic number.

496690551 is a deficient number, since it is larger than the sum of its proper divisors (324069129).

496690551 is a wasteful number, since it uses less digits than its factorization.

496690551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955 (or 7952 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 496690551 is about 22286.5553866002. Note that the first 3 decimals coincide. The cubic root of 496690551 is about 791.9455072318.

The spelling of 496690551 in words is "four hundred ninety-six million, six hundred ninety thousand, five hundred fifty-one".