66152102 has 4 divisors (see below), whose sum is σ = 99228156. Its totient is φ = 33076050.

The previous prime is 66152081. The next prime is 66152111. The reversal of 66152102 is 20125166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20125166 = 2 ⋅10062583.

It is a super-2 number, since 2×66152102² = 8752201198036808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16538024 + ... + 16538027.

It is an arithmetic number, because the mean of its divisors is an integer number (24807039).

Almost surely, 2^66152102 is an apocalyptic number.

66152102 is a deficient number, since it is larger than the sum of its proper divisors (33076054).

66152102 is a wasteful number, since it uses less digits than its factorization.

66152102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076053.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 66152102 is about 8133.3942484058. The cubic root of 66152102 is about 404.4342086786.

Adding to 66152102 its reverse (20125166), we get a palindrome (86277268).

The spelling of 66152102 in words is "sixty-six million, one hundred fifty-two thousand, one hundred two".