60640416 has 36 divisors (see below), whose sum is σ = 172447002. Its totient is φ = 20213376.

The previous prime is 60640409. The next prime is 60640429. The reversal of 60640416 is 61404606.

60640416 is a `hidden beast` number, since 6 + 0 + 640 + 4 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 11696400 = 6996^2 + 3420^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 60640416.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104991 + ... + 105566.

Almost surely, 2^60640416 is an apocalyptic number.

It is an amenable number.

60640416 is an abundant number, since it is smaller than the sum of its proper divisors (111806586).

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

60640416 is a wasteful number, since it uses less digits than its factorization.

60640416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210573 (or 210562 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 60640416 is about 7787.1956441327. The cubic root of 60640416 is about 392.8746954015.

The spelling of 60640416 in words is "sixty million, six hundred forty thousand, four hundred sixteen".