66098370 has 32 divisors (see below), whose sum is σ = 170839872. Its totient is φ = 16270272.

The previous prime is 66098369. The next prime is 66098387. The reversal of 66098370 is 7389066.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84352 + ... + 85131.

It is an arithmetic number, because the mean of its divisors is an integer number (5338746).

Almost surely, 2^66098370 is an apocalyptic number.

66098370 is an abundant number, since it is smaller than the sum of its proper divisors (104741502).

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

66098370 is a wasteful number, since it uses less digits than its factorization.

66098370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169506.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 66098370 is about 8130.0904054014. The cubic root of 66098370 is about 404.3246785474.

The spelling of 66098370 in words is "sixty-six million, ninety-eight thousand, three hundred seventy".