1616980540 has 48 divisors (see below), whose sum is σ = 3887497152. Its totient is φ = 553430016.

The previous prime is 1616980513. The next prime is 1616980559. The reversal of 1616980540 is 450896161.

It is a super-2 number, since 2×1616980540² = 5229252133477383200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616980493 and 1616980502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73282 + ... + 92758.

It is an arithmetic number, because the mean of its divisors is an integer number (80989524).

Almost surely, 2^1616980540 is an apocalyptic number.

1616980540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616980540 is an abundant number, since it is smaller than the sum of its proper divisors (2270516612).

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

1616980540 is a wasteful number, since it uses less digits than its factorization.

1616980540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086 (or 20084 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1616980540 is about 40211.6965570964. The cubic root of 1616980540 is about 1173.7301603769.

The spelling of 1616980540 in words is "one billion, six hundred sixteen million, nine hundred eighty thousand, five hundred forty".