1606512075604 has 12 divisors (see below), whose sum is σ = 2811907055104. Its totient is φ = 803110059864.

The previous prime is 1606512075601. The next prime is 1606512075667. The reversal of 1606512075604 is 4065702156061.

It is a super-2 number, since 2×1606512075604² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606512075601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36469722 + ... + 36513745.

Almost surely, 2^{1606512075604} is an apocalyptic number.

It is an amenable number.

1606512075604 is a deficient number, since it is larger than the sum of its proper divisors (1205394979500).

1606512075604 is a wasteful number, since it uses less digits than its factorization.

1606512075604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72988974 (or 72988972 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1606512075604 in words is "one trillion, six hundred six billion, five hundred twelve million, seventy-five thousand, six hundred four".