66121062 has 16 divisors (see below), whose sum is σ = 151133952. Its totient is φ = 18891720.

The previous prime is 66121039. The next prime is 66121063. The reversal of 66121062 is 26012166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66121063) 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, 787114 + ... + 787197.

It is an arithmetic number, because the mean of its divisors is an integer number (9445872).

Almost surely, 2^66121062 is an apocalyptic number.

66121062 is an abundant number, since it is smaller than the sum of its proper divisors (85012890).

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

66121062 is a wasteful number, since it uses less digits than its factorization.

66121062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574323.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 66121062 is about 8131.4858420832. The cubic root of 66121062 is about 404.3709423502.

The spelling of 66121062 in words is "sixty-six million, one hundred twenty-one thousand, sixty-two".