78166341 has 24 divisors (see below), whose sum is σ = 124161024. Its totient is φ = 46992960.

The previous prime is 78166321. The next prime is 78166343. The reversal of 78166341 is 14366187.

78166341 is a `hidden beast` number, since 7 + 8 + 16 + 634 + 1 = 666.

It is not a de Polignac number, because 78166341 - 2¹¹ = 78164293 is a prime.

It is a super-2 number, since 2×78166341² = 12219953730656562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78166296 and 78166305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78166343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9465 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (5173376).

Almost surely, 2^78166341 is an apocalyptic number.

It is an amenable number.

78166341 is a deficient number, since it is larger than the sum of its proper divisors (45994683).

78166341 is a wasteful number, since it uses less digits than its factorization.

78166341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361 (or 6358 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 78166341 is about 8841.1730556527. The cubic root of 78166341 is about 427.5693782959.

The spelling of 78166341 in words is "seventy-eight million, one hundred sixty-six thousand, three hundred forty-one".