1616097946 has 8 divisors (see below), whose sum is σ = 2427861204. Its totient is φ = 806810880.

The previous prime is 1616097907. The next prime is 1616097947. The reversal of 1616097946 is 6497906161.

It can be written as a sum of positive squares in 2 ways, for example, as 1607127921 + 8970025 = 40089^2 + 2995^2 .

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

It is a super-2 number, since 2×1616097946² = 5223545142130837832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616097946.

It is not an unprimeable number, because it can be changed into a prime (1616097947) 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, 617415 + ... + 620026.

Almost surely, 2^1616097946 is an apocalyptic number.

1616097946 is a deficient number, since it is larger than the sum of its proper divisors (811763258).

1616097946 is a wasteful number, since it uses less digits than its factorization.

1616097946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238096.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1616097946 is about 40200.7207149325. The cubic root of 1616097946 is about 1173.5165697351.

The spelling of 1616097946 in words is "one billion, six hundred sixteen million, ninety-seven thousand, nine hundred forty-six".