16421070212158 has 16 divisors (see below), whose sum is σ = 24677507359440. Its totient is φ = 8195243786496.

The previous prime is 16421070212011. The next prime is 16421070212219. The reversal of 16421070212158 is 85121207012461.

It is a self number, because there is not a number n which added to its sum of digits gives 16421070212158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172353 + ... + 5849491.

It is an arithmetic number, because the mean of its divisors is an integer number (1542344209965).

Almost surely, 2^{16421070212158} is an apocalyptic number.

16421070212158 is a deficient number, since it is larger than the sum of its proper divisors (8256437147282).

16421070212158 is a wasteful number, since it uses less digits than its factorization.

16421070212158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680411.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 16421070212158 in words is "sixteen trillion, four hundred twenty-one billion, seventy million, two hundred twelve thousand, one hundred fifty-eight".