214478415518 has 16 divisors (see below), whose sum is σ = 321965280000. Its totient is φ = 107156692632.

The previous prime is 214478415509. The next prime is 214478415533. The reversal of 214478415518 is 815514874412.

It is a super-2 number, since 2×214478415518² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 16829993 + ... + 16842731.

It is an arithmetic number, because the mean of its divisors is an integer number (20122830000).

Almost surely, 2^214478415518 is an apocalyptic number.

214478415518 is a deficient number, since it is larger than the sum of its proper divisors (107486864482).

214478415518 is a wasteful number, since it uses less digits than its factorization.

214478415518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18559.

The product of its digits is 1433600, while the sum is 50.

The spelling of 214478415518 in words is "two hundred fourteen billion, four hundred seventy-eight million, four hundred fifteen thousand, five hundred eighteen".