66652098 has 16 divisors (see below), whose sum is σ = 133733856. Its totient is φ = 22145760.

The previous prime is 66652093. The next prime is 66652099. The reversal of 66652098 is 89025666.

It is not an unprimeable number, because it can be changed into a prime (66652093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15868 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (8358366).

Almost surely, 2^66652098 is an apocalyptic number.

66652098 is an abundant number, since it is smaller than the sum of its proper divisors (67081758).

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

66652098 is a wasteful number, since it uses less digits than its factorization.

66652098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35809.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 66652098 is about 8164.0736155427. The cubic root of 66652098 is about 405.4505943619.

The spelling of 66652098 in words is "sixty-six million, six hundred fifty-two thousand, ninety-eight".