4156152321 has 16 divisors (see below), whose sum is σ = 5868995840. Its totient is φ = 2608828560.

The previous prime is 4156152269. The next prime is 4156152353. The reversal of 4156152321 is 1232516514.

It is not a de Polignac number, because 4156152321 - 2⁷ = 4156152193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4156152521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214375 + ... + 232956.

It is an arithmetic number, because the mean of its divisors is an integer number (366812240).

Almost surely, 2^4156152321 is an apocalyptic number.

It is an amenable number.

4156152321 is a deficient number, since it is larger than the sum of its proper divisors (1712843519).

4156152321 is a wasteful number, since it uses less digits than its factorization.

4156152321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447516.

The product of its digits is 7200, while the sum is 30.

The square root of 4156152321 is about 64468.2272208566. The cubic root of 4156152321 is about 1607.7943023401.

Adding to 4156152321 its reverse (1232516514), we get a palindrome (5388668835).

The spelling of 4156152321 in words is "four billion, one hundred fifty-six million, one hundred fifty-two thousand, three hundred twenty-one".