65190048 has 96 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 16930560.

The previous prime is 65190031. The next prime is 65190049. The reversal of 65190048 is 84009156.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (65190049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^65190048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65190048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106686720).

65190048 is an abundant number, since it is smaller than the sum of its proper divisors (148183392).

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

65190048 is a wasteful number, since it uses less digits than its factorization.

65190048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8842 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 65190048 is about 8074.0354222656. The cubic root of 65190048 is about 402.4640565617.

The spelling of 65190048 in words is "sixty-five million, one hundred ninety thousand, forty-eight".