616151633665342 has 4 divisors (see below), whose sum is σ = 924227450498016. Its totient is φ = 308075816832670.

The previous prime is 616151633665231. The next prime is 616151633665361. The reversal of 616151633665342 is 243566336151616.

It is a happy number.

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

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, 154037908416334 + ... + 154037908416337.

It is an arithmetic number, because the mean of its divisors is an integer number (231056862624504).

Almost surely, 2^{616151633665342} is an apocalyptic number.

616151633665342 is a deficient number, since it is larger than the sum of its proper divisors (308075816832674).

616151633665342 is a wasteful number, since it uses less digits than its factorization.

616151633665342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308075816832673.

The product of its digits is 41990400, while the sum is 58.

The spelling of 616151633665342 in words is "six hundred sixteen trillion, one hundred fifty-one billion, six hundred thirty-three million, six hundred sixty-five thousand, three hundred forty-two".