216503755919030 has 16 divisors (see below), whose sum is σ = 389717775868464. Its totient is φ = 86599054542240.

The previous prime is 216503755919029. The next prime is 216503755919063. The reversal of 216503755919030 is 30919557305612.

It is a super-2 number, since 2×216503755919030² (a number of 29 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, 305606672 + ... + 306314291.

It is an arithmetic number, because the mean of its divisors is an integer number (24357360991779).

Almost surely, 2^{216503755919030} is an apocalyptic number.

216503755919030 is a deficient number, since it is larger than the sum of its proper divisors (173214019949434).

216503755919030 is a wasteful number, since it uses less digits than its factorization.

216503755919030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611956351.

The product of its (nonzero) digits is 7654500, while the sum is 56.

The spelling of 216503755919030 in words is "two hundred sixteen trillion, five hundred three billion, seven hundred fifty-five million, nine hundred nineteen thousand, thirty".