4156542691216 has 40 divisors (see below), whose sum is σ = 8594167080960. Its totient is φ = 1940618340864.

The previous prime is 4156542691187. The next prime is 4156542691237. The reversal of 4156542691216 is 6121962456514.

It is a super-2 number, since 2×4156542691216² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 60128476 + ... + 60197563.

It is an arithmetic number, because the mean of its divisors is an integer number (214854177024).

Almost surely, 2^{4156542691216} is an apocalyptic number.

It is an amenable number.

4156542691216 is an abundant number, since it is smaller than the sum of its proper divisors (4437624389744).

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

4156542691216 is a wasteful number, since it uses less digits than its factorization.

4156542691216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120326191 (or 120326185 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The spelling of 4156542691216 in words is "four trillion, one hundred fifty-six billion, five hundred forty-two million, six hundred ninety-one thousand, two hundred sixteen".