1216067682758 has 32 divisors (see below), whose sum is σ = 1906426368000. Its totient is φ = 580676618016.

The previous prime is 1216067682757. The next prime is 1216067682779. The reversal of 1216067682758 is 8572867606121.

It is a junction number, because it is equal to n+sod(n) for n = 1216067682697 and 1216067682706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216067682757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122225168 + ... + 122235116.

It is an arithmetic number, because the mean of its divisors is an integer number (59575824000).

Almost surely, 2^{1216067682758} is an apocalyptic number.

1216067682758 is a deficient number, since it is larger than the sum of its proper divisors (690358685242).

1216067682758 is a wasteful number, since it uses less digits than its factorization.

1216067682758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 1216067682758 in words is "one trillion, two hundred sixteen billion, sixty-seven million, six hundred eighty-two thousand, seven hundred fifty-eight".