2061445901630 has 16 divisors (see below), whose sum is σ = 3755308680144. Its totient is φ = 814643681280.

The previous prime is 2061445901597. The next prime is 2061445901639. The reversal of 2061445901630 is 361095441602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061445901639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241834051 + ... + 1241835710.

It is an arithmetic number, because the mean of its divisors is an integer number (234706792509).

Almost surely, 2^{2061445901630} is an apocalyptic number.

2061445901630 is a deficient number, since it is larger than the sum of its proper divisors (1693862778514).

2061445901630 is a wasteful number, since it uses less digits than its factorization.

2061445901630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483669851.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 2061445901630 in words is "two trillion, sixty-one billion, four hundred forty-five million, nine hundred one thousand, six hundred thirty".