918646469546 has 16 divisors (see below), whose sum is σ = 1486364762400. Its totient is φ = 423305710128.

The previous prime is 918646469537. The next prime is 918646469561. The reversal of 918646469546 is 645964646819.

It is a super-2 number, since 2×918646469546² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28523936 + ... + 28556123.

It is an arithmetic number, because the mean of its divisors is an integer number (92897797650).

Almost surely, 2^918646469546 is an apocalyptic number.

918646469546 is a deficient number, since it is larger than the sum of its proper divisors (567718292854).

918646469546 is a wasteful number, since it uses less digits than its factorization.

918646469546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57080693.

The product of its digits is 268738560, while the sum is 68.

The spelling of 918646469546 in words is "nine hundred eighteen billion, six hundred forty-six million, four hundred sixty-nine thousand, five hundred forty-six".