1621060546 has 16 divisors (see below), whose sum is σ = 2781086976. Its totient is φ = 694208736.

The previous prime is 1621060489. The next prime is 1621060621. The reversal of 1621060546 is 6450601261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25051 + ... + 62206.

It is an arithmetic number, because the mean of its divisors is an integer number (173817936).

Almost surely, 2^1621060546 is an apocalyptic number.

1621060546 is a deficient number, since it is larger than the sum of its proper divisors (1160026430).

1621060546 is a wasteful number, since it uses less digits than its factorization.

1621060546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88593.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1621060546 is about 40262.3961780717. The cubic root of 1621060546 is about 1174.7165263953.

The spelling of 1621060546 in words is "one billion, six hundred twenty-one million, sixty thousand, five hundred forty-six".