6601601451602 has 4 divisors (see below), whose sum is σ = 9902402177406. Its totient is φ = 3300800725800.

The previous prime is 6601601451553. The next prime is 6601601451607. The reversal of 6601601451602 is 2061541061066.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4944534824161 + 1657066627441 = 2223631^2 + 1287271^2 .

It is a super-2 number, since 2×6601601451602² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6601601451607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650400362899 + ... + 1650400362902.

Almost surely, 2^{6601601451602} is an apocalyptic number.

6601601451602 is a deficient number, since it is larger than the sum of its proper divisors (3300800725804).

6601601451602 is a wasteful number, since it uses less digits than its factorization.

6601601451602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300800725803.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 6601601451602 in words is "six trillion, six hundred one billion, six hundred one million, four hundred fifty-one thousand, six hundred two".