1626420146 has 64 divisors (see below), whose sum is σ = 2788079616. Its totient is φ = 706406400.

The previous prime is 1626420139. The next prime is 1626420157. The reversal of 1626420146 is 6410246261.

It is a super-2 number, since 2×1626420146² = 5290484982629322632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5550776 + ... + 5551068.

It is an arithmetic number, because the mean of its divisors is an integer number (43563744).

Almost surely, 2^1626420146 is an apocalyptic number.

1626420146 is a deficient number, since it is larger than the sum of its proper divisors (1161659470).

1626420146 is a wasteful number, since it uses less digits than its factorization.

1626420146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1626420146 is about 40328.8996378528. The cubic root of 1626420146 is about 1176.0097301438.

The spelling of 1626420146 in words is "one billion, six hundred twenty-six million, four hundred twenty thousand, one hundred forty-six".