381016306634552 has 8 divisors (see below), whose sum is σ = 714405574939800. Its totient is φ = 190508153317272.

The previous prime is 381016306634533. The next prime is 381016306634567. The reversal of 381016306634552 is 255436603610183.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 381016306634494 and 381016306634503.

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, 23813519164652 + ... + 23813519164667.

It is an arithmetic number, because the mean of its divisors is an integer number (89300696867475).

Almost surely, 2^{381016306634552} is an apocalyptic number.

It is an amenable number.

381016306634552 is a deficient number, since it is larger than the sum of its proper divisors (333389268305248).

381016306634552 is a wasteful number, since it uses less digits than its factorization.

381016306634552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47627038329325 (or 47627038329321 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 381016306634552 in words is "three hundred eighty-one trillion, sixteen billion, three hundred six million, six hundred thirty-four thousand, five hundred fifty-two".