1616542257067 has 8 divisors (see below), whose sum is σ = 1617043474800. Its totient is φ = 1616041121760.

The previous prime is 1616542257019. The next prime is 1616542257107. The reversal of 1616542257067 is 7607522456161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616542257067 is a prime.

It is a super-2 number, since 2×1616542257067² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616542257667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76744717 + ... + 76765777.

It is an arithmetic number, because the mean of its divisors is an integer number (202130434350).

Almost surely, 2^{1616542257067} is an apocalyptic number.

1616542257067 is a deficient number, since it is larger than the sum of its proper divisors (501217733).

1616542257067 is a wasteful number, since it uses less digits than its factorization.

1616542257067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41213.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1616542257067 in words is "one trillion, six hundred sixteen billion, five hundred forty-two million, two hundred fifty-seven thousand, sixty-seven".