4145151081816 has 24 divisors (see below), whose sum is σ = 11226450846780. Its totient is φ = 1381717027248.

The previous prime is 4145151081791. The next prime is 4145151081833. The reversal of 4145151081816 is 6181801515414.

4145151081816 is a `hidden beast` number, since 4 + 1 + 4 + 51 + 510 + 8 + 1 + 81 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28785771330 + ... + 28785771473.

Almost surely, 2^{4145151081816} is an apocalyptic number.

It is an amenable number.

4145151081816 is an abundant number, since it is smaller than the sum of its proper divisors (7081299764964).

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

4145151081816 is a wasteful number, since it uses less digits than its factorization.

4145151081816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57571542815 (or 57571542808 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 45.

The spelling of 4145151081816 in words is "four trillion, one hundred forty-five billion, one hundred fifty-one million, eighty-one thousand, eight hundred sixteen".