66770150 has 24 divisors (see below), whose sum is σ = 129594384. Its totient is φ = 25546400.

The previous prime is 66770141. The next prime is 66770153. The reversal of 66770150 is 5107766.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66770153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27881 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (5399766).

Almost surely, 2^66770150 is an apocalyptic number.

66770150 is a deficient number, since it is larger than the sum of its proper divisors (62824234).

66770150 is a wasteful number, since it uses less digits than its factorization.

66770150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58096 (or 58091 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 66770150 is about 8171.3003861075. The cubic root of 66770150 is about 405.6898267554.

The spelling of 66770150 in words is "sixty-six million, seven hundred seventy thousand, one hundred fifty".