1616471113402 has 4 divisors (see below), whose sum is σ = 2424706670106. Its totient is φ = 808235556700.

The previous prime is 1616471113373. The next prime is 1616471113417. The reversal of 1616471113402 is 2043111746161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1596409507081 + 20061606321 = 1263491^2 + 141639^2 .

It is a super-2 number, since 2×1616471113402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404117778349 + ... + 404117778352.

Almost surely, 2^{1616471113402} is an apocalyptic number.

1616471113402 is a deficient number, since it is larger than the sum of its proper divisors (808235556704).

1616471113402 is an equidigital number, since it uses as much as digits as its factorization.

1616471113402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808235556703.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 1616471113402 its reverse (2043111746161), we get a palindrome (3659582859563).

The spelling of 1616471113402 in words is "one trillion, six hundred sixteen billion, four hundred seventy-one million, one hundred thirteen thousand, four hundred two".