68655152 has 10 divisors (see below), whose sum is σ = 133019388. Its totient is φ = 34327568.

The previous prime is 68655143. The next prime is 68655157. The reversal of 68655152 is 25155686.

It is a super-2 number, since 2×68655152² = 9427059792286208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68655157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145458 + ... + 2145489.

Almost surely, 2^68655152 is an apocalyptic number.

It is an amenable number.

68655152 is a deficient number, since it is larger than the sum of its proper divisors (64364236).

68655152 is a wasteful number, since it uses less digits than its factorization.

68655152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290955 (or 4290949 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 68655152 is about 8285.8404522414. The cubic root of 68655152 is about 409.4721583351.

The spelling of 68655152 in words is "sixty-eight million, six hundred fifty-five thousand, one hundred fifty-two".