1616150020 has 12 divisors (see below), whose sum is σ = 3393915084. Its totient is φ = 646460000.

The previous prime is 1616150017. The next prime is 1616150059. The reversal of 1616150020 is 200516161.

It can be written as a sum of positive squares in 2 ways, for example, as 498986244 + 1117163776 = 22338^2 + 33424^2 .

It is a super-2 number, since 2×1616150020² = 5223881774292000800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616149973 and 1616150000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40403731 + ... + 40403770.

It is an arithmetic number, because the mean of its divisors is an integer number (282826257).

Almost surely, 2^1616150020 is an apocalyptic number.

1616150020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616150020 is an abundant number, since it is smaller than the sum of its proper divisors (1777765064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616150020 is a wasteful number, since it uses less digits than its factorization.

1616150020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80807510 (or 80807508 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1616150020 is about 40201.3683846707. The cubic root of 1616150020 is about 1173.5291739723.

Adding to 1616150020 its reverse (200516161), we get a palindrome (1816666181).

The spelling of 1616150020 in words is "one billion, six hundred sixteen million, one hundred fifty thousand, twenty".