537661043386 has 8 divisors (see below), whose sum is σ = 806496469920. Its totient is φ = 268828886748.

The previous prime is 537661043341. The next prime is 537661043399. The reversal of 537661043386 is 683340166735.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353806 + ... + 1095673.

It is an arithmetic number, because the mean of its divisors is an integer number (100812058740).

Almost surely, 2^537661043386 is an apocalyptic number.

537661043386 is a deficient number, since it is larger than the sum of its proper divisors (268835426534).

537661043386 is a wasteful number, since it uses less digits than its factorization.

537661043386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634948.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 537661043386 in words is "five hundred thirty-seven billion, six hundred sixty-one million, forty-three thousand, three hundred eighty-six".