1630137377 has 16 divisors (see below), whose sum is σ = 1836753408. Its totient is φ = 1434026880.

The previous prime is 1630137337. The next prime is 1630137391. The reversal of 1630137377 is 7737310361.

It is not a de Polignac number, because 1630137377 - 2¹⁶ = 1630071841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630137377.

It is not an unprimeable number, because it can be changed into a prime (1630137337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23408 + ... + 61710.

It is an arithmetic number, because the mean of its divisors is an integer number (114797088).

Almost surely, 2^1630137377 is an apocalyptic number.

It is an amenable number.

1630137377 is a deficient number, since it is larger than the sum of its proper divisors (206616031).

1630137377 is a wasteful number, since it uses less digits than its factorization.

1630137377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38440.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 1630137377 is about 40374.9597770697. The cubic root of 1630137377 is about 1176.9049833704.

The spelling of 1630137377 in words is "one billion, six hundred thirty million, one hundred thirty-seven thousand, three hundred seventy-seven".