1616145757466 has 16 divisors (see below), whose sum is σ = 2610325154880. Its totient is φ = 747648684480.

The previous prime is 1616145757463. The next prime is 1616145757507. The reversal of 1616145757466 is 6647575416161.

It is a super-2 number, since 2×1616145757466² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (1616145757463) 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, 402825950 + ... + 402829961.

It is an arithmetic number, because the mean of its divisors is an integer number (163145322180).

Almost surely, 2^{1616145757466} is an apocalyptic number.

1616145757466 is a deficient number, since it is larger than the sum of its proper divisors (994179397414).

1616145757466 is a wasteful number, since it uses less digits than its factorization.

1616145757466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805655989.

The product of its digits is 25401600, while the sum is 59.

The spelling of 1616145757466 in words is "one trillion, six hundred sixteen billion, one hundred forty-five million, seven hundred fifty-seven thousand, four hundred sixty-six".