16057137734949 has 8 divisors (see below), whose sum is σ = 21429140739552. Its totient is φ = 10694946610160.

The previous prime is 16057137734899. The next prime is 16057137734959. The reversal of 16057137734949 is 94943773175061.

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 16057137734949 - 2⁹ = 16057137734437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16057137734949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16057137734959) 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, 2452966134 + ... + 2452972679.

It is an arithmetic number, because the mean of its divisors is an integer number (2678642592444).

Almost surely, 2^{16057137734949} is an apocalyptic number.

It is an amenable number.

16057137734949 is a deficient number, since it is larger than the sum of its proper divisors (5372003004603).

16057137734949 is a wasteful number, since it uses less digits than its factorization.

16057137734949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905939907.

The product of its (nonzero) digits is 120022560, while the sum is 66.

The spelling of 16057137734949 in words is "sixteen trillion, fifty-seven billion, one hundred thirty-seven million, seven hundred thirty-four thousand, nine hundred forty-nine".