4156536669 has 8 divisors (see below), whose sum is σ = 5868051840. Its totient is φ = 2608022976.

The previous prime is 4156536667. The next prime is 4156536677. The reversal of 4156536669 is 9666356514.

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 4156536669 - 2¹ = 4156536667 is a prime.

It is a super-2 number, since 2×4156536669² = 34553594161483231122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 81500719 = 4156536669 / (4 + 1 + 5 + 6 + 5 + 3 + 6 + 6 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156536661) 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, 40750309 + ... + 40750410.

It is an arithmetic number, because the mean of its divisors is an integer number (733506480).

Almost surely, 2^4156536669 is an apocalyptic number.

It is an amenable number.

4156536669 is a deficient number, since it is larger than the sum of its proper divisors (1711515171).

4156536669 is a wasteful number, since it uses less digits than its factorization.

4156536669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81500739.

The product of its digits is 3499200, while the sum is 51.

The square root of 4156536669 is about 64471.2080622040. The cubic root of 4156536669 is about 1607.8438620794.

The spelling of 4156536669 in words is "four billion, one hundred fifty-six million, five hundred thirty-six thousand, six hundred sixty-nine".