213506451563016 has 64 divisors (see below), whose sum is σ = 560980354636800. Its totient is φ = 67584776010048.

The previous prime is 213506451562973. The next prime is 213506451563059. The reversal of 213506451563016 is 610365154605312.

It is an interprime number because it is at equal distance from previous prime (213506451562973) and next prime (213506451563059).

It is a super-3 number, since 3×213506451563016³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391243596 + ... + 1391397051.

It is an arithmetic number, because the mean of its divisors is an integer number (8765318041200).

Almost surely, 2^{213506451563016} is an apocalyptic number.

It is an amenable number.

213506451563016 is an abundant number, since it is smaller than the sum of its proper divisors (347473903073784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213506451563016 is a wasteful number, since it uses less digits than its factorization.

213506451563016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782640818 (or 2782640814 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 213506451563016 in words is "two hundred thirteen trillion, five hundred six billion, four hundred fifty-one million, five hundred sixty-three thousand, sixteen".