16700573457 has 6 divisors (see below), whose sum is σ = 24123050562. Its totient is φ = 11133715632.

The previous prime is 16700573429. The next prime is 16700573471. The reversal of 16700573457 is 75437500761.

16700573457 is a `hidden beast` number, since 1 + 6 + 70 + 0 + 573 + 4 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10722809601 + 5977763856 = 103551^2 + 77316^2 .

It is not a de Polignac number, because 16700573457 - 2¹¹ = 16700571409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16700573557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927809628 + ... + 927809645.

It is an arithmetic number, because the mean of its divisors is an integer number (4020508427).

Almost surely, 2^16700573457 is an apocalyptic number.

It is an amenable number.

16700573457 is a deficient number, since it is larger than the sum of its proper divisors (7422477105).

16700573457 is a wasteful number, since it uses less digits than its factorization.

16700573457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855619279 (or 1855619276 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 16700573457 in words is "sixteen billion, seven hundred million, five hundred seventy-three thousand, four hundred fifty-seven".