78151744065066 has 16 divisors (see below), whose sum is σ = 178632557863104. Its totient is φ = 22329069732864.

The previous prime is 78151744065001. The next prime is 78151744065071. The reversal of 78151744065066 is 66056044715187.

It is a super-2 number, since 2×78151744065066² (a number of 29 digits) contains 22 as substring.

It is a Curzon 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, 930377905495 + ... + 930377905578.

It is an arithmetic number, because the mean of its divisors is an integer number (11164534866444).

Almost surely, 2^{78151744065066} is an apocalyptic number.

78151744065066 is an abundant number, since it is smaller than the sum of its proper divisors (100480813798038).

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

78151744065066 is a wasteful number, since it uses less digits than its factorization.

78151744065066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860755811085.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 78151744065066 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred forty-four million, sixty-five thousand, sixty-six".