157206420766944 has 36 divisors (see below), whose sum is σ = 447055759056816. Its totient is φ = 52402140255552.

The previous prime is 157206420766939. The next prime is 157206420766961. The reversal of 157206420766944 is 449667024602751.

157206420766944 is a `hidden beast` number, since 1 + 57 + 2 + 0 + 6 + 420 + 76 + 6 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272927813544 + ... + 272927814119.

It is an arithmetic number, because the mean of its divisors is an integer number (12418215529356).

Almost surely, 2^{157206420766944} is an apocalyptic number.

It is an amenable number.

157206420766944 is an abundant number, since it is smaller than the sum of its proper divisors (289849338289872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157206420766944 is a wasteful number, since it uses less digits than its factorization.

157206420766944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545855627679 (or 545855627668 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 157206420766944 in words is "one hundred fifty-seven trillion, two hundred six billion, four hundred twenty million, seven hundred sixty-six thousand, nine hundred forty-four".