61167801 has 8 divisors (see below), whose sum is σ = 83453920. Its totient is φ = 39830112.

The previous prime is 61167797. The next prime is 61167809. The reversal of 61167801 is 10876116.

It is a happy number.

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

It is not a de Polignac number, because 61167801 - 2² = 61167797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61167809) 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, 236956 + ... + 237213.

It is an arithmetic number, because the mean of its divisors is an integer number (10431740).

Almost surely, 2^61167801 is an apocalyptic number.

It is an amenable number.

61167801 is a deficient number, since it is larger than the sum of its proper divisors (22286119).

61167801 is a wasteful number, since it uses less digits than its factorization.

61167801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474215.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 61167801 is about 7820.9846566785. The cubic root of 61167801 is about 394.0103431196.

The spelling of 61167801 in words is "sixty-one million, one hundred sixty-seven thousand, eight hundred one".