1612123152646 has 16 divisors (see below), whose sum is σ = 2502992332800. Its totient is φ = 777934076040.

The previous prime is 1612123152641. The next prime is 1612123152691. The reversal of 1612123152646 is 6462513212161.

It is a junction number, because it is equal to n+sod(n) for n = 1612123152599 and 1612123152608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612123152641) 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, 35402296 + ... + 35447803.

It is an arithmetic number, because the mean of its divisors is an integer number (156437020800).

Almost surely, 2^{1612123152646} is an apocalyptic number.

1612123152646 is a deficient number, since it is larger than the sum of its proper divisors (890869180154).

1612123152646 is a wasteful number, since it uses less digits than its factorization.

1612123152646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70850499.

The product of its digits is 103680, while the sum is 40.

The spelling of 1612123152646 in words is "one trillion, six hundred twelve billion, one hundred twenty-three million, one hundred fifty-two thousand, six hundred forty-six".