4156324561 has 8 divisors (see below), whose sum is σ = 4242384000. Its totient is φ = 4070785680.

The previous prime is 4156324559. The next prime is 4156324583. The reversal of 4156324561 is 1654236514.

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 4156324561 - 2¹ = 4156324559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4156324561.

It is not an unprimeable number, because it can be changed into a prime (4156324541) 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, 113986 + ... + 145963.

It is an arithmetic number, because the mean of its divisors is an integer number (530298000).

Almost surely, 2^4156324561 is an apocalyptic number.

It is an amenable number.

4156324561 is a deficient number, since it is larger than the sum of its proper divisors (86059439).

4156324561 is a wasteful number, since it uses less digits than its factorization.

4156324561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260279.

The product of its digits is 86400, while the sum is 37.

The square root of 4156324561 is about 64469.5630588575. The cubic root of 4156324561 is about 1607.8165121987.

The spelling of 4156324561 in words is "four billion, one hundred fifty-six million, three hundred twenty-four thousand, five hundred sixty-one".