16231540355 has 8 divisors (see below), whose sum is σ = 19479636864. Its totient is φ = 12984040000.

The previous prime is 16231540337. The next prime is 16231540361. The reversal of 16231540355 is 55304513261.

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

It is not a de Polignac number, because 16231540355 - 2³² = 11936573059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86771 + ... + 199980.

It is an arithmetic number, because the mean of its divisors is an integer number (2434954608).

Almost surely, 2^16231540355 is an apocalyptic number.

16231540355 is a deficient number, since it is larger than the sum of its proper divisors (3248096509).

16231540355 is a wasteful number, since it uses less digits than its factorization.

16231540355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298077.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 16231540355 in words is "sixteen billion, two hundred thirty-one million, five hundred forty thousand, three hundred fifty-five".