83146261 has 8 divisors (see below), whose sum is σ = 95479200. Its totient is φ = 71609040.

The previous prime is 83146229. The next prime is 83146267. The reversal of 83146261 is 16264138.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83146261 - 2⁵ = 83146229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83146267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198706 + ... + 199123.

It is an arithmetic number, because the mean of its divisors is an integer number (11934900).

Almost surely, 2^83146261 is an apocalyptic number.

It is an amenable number.

83146261 is a deficient number, since it is larger than the sum of its proper divisors (12332939).

83146261 is a wasteful number, since it uses less digits than its factorization.

83146261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397859.

The product of its digits is 6912, while the sum is 31.

The square root of 83146261 is about 9118.4571611649. The cubic root of 83146261 is about 436.4631420159.

The spelling of 83146261 in words is "eighty-three million, one hundred forty-six thousand, two hundred sixty-one".