66614950 has 24 divisors (see below), whose sum is σ = 130426920. Its totient is φ = 25243200.

The previous prime is 66614927. The next prime is 66614957. The reversal of 66614950 is 5941666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66614957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34111 + ... + 36010.

It is an arithmetic number, because the mean of its divisors is an integer number (5434455).

Almost surely, 2^66614950 is an apocalyptic number.

66614950 is a deficient number, since it is larger than the sum of its proper divisors (63811970).

66614950 is a wasteful number, since it uses less digits than its factorization.

66614950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70152 (or 70147 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 66614950 is about 8161.7982087283. The cubic root of 66614950 is about 405.3752555096.

It can be divided in two parts, 6661 and 4950, that added together give a palindrome (11611).

The spelling of 66614950 in words is "sixty-six million, six hundred fourteen thousand, nine hundred fifty".