157402089646 has 8 divisors (see below), whose sum is σ = 236137338360. Its totient is φ = 78689643528.

The previous prime is 157402089643. The next prime is 157402089673. The reversal of 157402089646 is 646980204751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 157402089593 and 157402089602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157402089643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5683381 + ... + 5711008.

It is an arithmetic number, because the mean of its divisors is an integer number (29517167295).

Almost surely, 2^157402089646 is an apocalyptic number.

157402089646 is a deficient number, since it is larger than the sum of its proper divisors (78735248714).

157402089646 is a wasteful number, since it uses less digits than its factorization.

157402089646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401298.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 157402089646 in words is "one hundred fifty-seven billion, four hundred two million, eighty-nine thousand, six hundred forty-six".