82649616 has 40 divisors (see below), whose sum is σ = 244014144. Its totient is φ = 23614080.

The previous prime is 82649599. The next prime is 82649621. The reversal of 82649616 is 61694628.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122655 + ... + 123326.

Almost surely, 2^82649616 is an apocalyptic number.

It is an amenable number.

82649616 is an abundant number, since it is smaller than the sum of its proper divisors (161364528).

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

82649616 is a wasteful number, since it uses less digits than its factorization.

82649616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245999 (or 245993 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 82649616 is about 9091.1834213154. The cubic root of 82649616 is about 435.5923862063.

The spelling of 82649616 in words is "eighty-two million, six hundred forty-nine thousand, six hundred sixteen".