76166137 has 4 divisors (see below), whose sum is σ = 80646516. Its totient is φ = 71685760.

The previous prime is 76166107. The next prime is 76166143. The reversal of 76166137 is 73166167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73166167 = 947 ⋅77261.

It can be written as a sum of positive squares in 2 ways, for example, as 22934521 + 53231616 = 4789^2 + 7296^2 .

It is a cyclic number.

It is not a de Polignac number, because 76166137 - 2¹⁹ = 75641849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76166096 and 76166105.

It is not an unprimeable number, because it can be changed into a prime (76166107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240164 + ... + 2240197.

It is an arithmetic number, because the mean of its divisors is an integer number (20161629).

Almost surely, 2^76166137 is an apocalyptic number.

It is an amenable number.

76166137 is a deficient number, since it is larger than the sum of its proper divisors (4480379).

76166137 is a wasteful number, since it uses less digits than its factorization.

76166137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480378.

The product of its digits is 31752, while the sum is 37.

The square root of 76166137 is about 8727.3212957929. The cubic root of 76166137 is about 423.8907859953.

The spelling of 76166137 in words is "seventy-six million, one hundred sixty-six thousand, one hundred thirty-seven".