1616039064 has 48 divisors (see below), whose sum is σ = 4567071600. Its totient is φ = 515258304.

The previous prime is 1616039063. The next prime is 1616039099. The reversal of 1616039064 is 4609306161.

1616039064 is a `hidden beast` number, since 1 + 616 + 0 + 39 + 0 + 6 + 4 = 666.

It is a super-2 number, since 2×1616039064² = 5223164512747992192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616039063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486279 + ... + 489590.

It is an arithmetic number, because the mean of its divisors is an integer number (95147325).

Almost surely, 2^1616039064 is an apocalyptic number.

It is an amenable number.

1616039064 is an abundant number, since it is smaller than the sum of its proper divisors (2951032536).

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

1616039064 is a wasteful number, since it uses less digits than its factorization.

1616039064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975904 (or 975897 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1616039064 is about 40199.9883582073. The cubic root of 1616039064 is about 1173.5023173312.

The spelling of 1616039064 in words is "one billion, six hundred sixteen million, thirty-nine thousand, sixty-four".