157005683738 has 16 divisors (see below), whose sum is σ = 239386419360. Its totient is φ = 77213768016.

The previous prime is 157005683717. The next prime is 157005683759. The reversal of 157005683738 is 837386500751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157005683717) and next prime (157005683759).

It is a self number, because there is not a number n which added to its sum of digits gives 157005683738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800681 + ... + 977292.

It is an arithmetic number, because the mean of its divisors is an integer number (14961651210).

Almost surely, 2^157005683738 is an apocalyptic number.

157005683738 is a deficient number, since it is larger than the sum of its proper divisors (82380735622).

157005683738 is a wasteful number, since it uses less digits than its factorization.

157005683738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778701.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 157005683738 in words is "one hundred fifty-seven billion, five million, six hundred eighty-three thousand, seven hundred thirty-eight".