66738102 has 32 divisors (see below), whose sum is σ = 138485760. Its totient is φ = 21418560.

The previous prime is 66738101. The next prime is 66738103. The reversal of 66738102 is 20183766.

It is an interprime number because it is at equal distance from previous prime (66738101) and next prime (66738103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66738101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40674 + ... + 42282.

It is an arithmetic number, because the mean of its divisors is an integer number (4327680).

Almost surely, 2^66738102 is an apocalyptic number.

66738102 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66738102 is an abundant number, since it is smaller than the sum of its proper divisors (71747658).

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

66738102 is a wasteful number, since it uses less digits than its factorization.

66738102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 66738102 is about 8169.3391409587. The cubic root of 66738102 is about 405.6249093821.

The spelling of 66738102 in words is "sixty-six million, seven hundred thirty-eight thousand, one hundred two".